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 		return -EINVAL;
248 
249 	curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
250 	curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
251 	curr_rules.fps = fps;
252 	curr_rules.run_mode = asd->run_mode->val;
253 	/*
254 	 * For continuous mode, we need to make the capture setting applied
255 	 * since preview mode, because there is no chance to do this when
256 	 * starting image capture.
257 	 */
258 	if (asd->continuous_mode->val) {
259 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
260 			curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
261 		else
262 			curr_rules.run_mode =
263 			    ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
264 	}
265 
266 	/* search for the target frequency by looping freq rules*/
267 	for (i = 0; i < dfs->dfs_table_size; i++) {
268 		if (curr_rules.width != dfs->dfs_table[i].width &&
269 		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
270 			continue;
271 		if (curr_rules.height != dfs->dfs_table[i].height &&
272 		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
273 			continue;
274 		if (curr_rules.fps != dfs->dfs_table[i].fps &&
275 		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
276 			continue;
277 		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
278 		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
279 			continue;
280 		break;
281 	}
282 
283 	if (i == dfs->dfs_table_size)
284 		new_freq = dfs->max_freq_at_vmin;
285 	else
286 		new_freq = dfs->dfs_table[i].isp_freq;
287 
288 done:
289 	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
290 
291 	if ((new_freq == isp->sw_contex.running_freq) && !force)
292 		return 0;
293 
294 	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
295 
296 	ret = write_target_freq_to_hw(isp, new_freq);
297 	if (!ret) {
298 		isp->sw_contex.running_freq = new_freq;
299 		trace_ipu_pstate(new_freq, -1);
300 	}
301 	return ret;
302 }
303 
304 /*
305  * reset and restore ISP
306  */
307 int atomisp_reset(struct atomisp_device *isp)
308 {
309 	/* Reset ISP by power-cycling it */
310 	int ret = 0;
311 
312 	dev_dbg(isp->dev, "%s\n", __func__);
313 	atomisp_css_suspend(isp);
314 	ret = atomisp_runtime_suspend(isp->dev);
315 	if (ret < 0)
316 		dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
317 	ret = atomisp_mrfld_power_down(isp);
318 	if (ret < 0) {
319 		dev_err(isp->dev, "can not disable ISP power\n");
320 	} else {
321 		ret = atomisp_mrfld_power_up(isp);
322 		if (ret < 0)
323 			dev_err(isp->dev, "can not enable ISP power\n");
324 		ret = atomisp_runtime_resume(isp->dev);
325 		if (ret < 0)
326 			dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
327 	}
328 	ret = atomisp_css_resume(isp);
329 	if (ret)
330 		isp->isp_fatal_error = true;
331 
332 	return ret;
333 }
334 
335 /*
336  * interrupt disable functions
337  */
338 static void disable_isp_irq(enum hrt_isp_css_irq irq)
339 {
340 	irq_disable_channel(IRQ0_ID, irq);
341 
342 	if (irq != hrt_isp_css_irq_sp)
343 		return;
344 
345 	cnd_sp_irq_enable(SP0_ID, false);
346 }
347 
348 /*
349  * interrupt clean function
350  */
351 static void clear_isp_irq(enum hrt_isp_css_irq irq)
352 {
353 	irq_clear_all(IRQ0_ID);
354 }
355 
356 void atomisp_msi_irq_init(struct atomisp_device *isp, struct pci_dev *dev)
357 {
358 	u32 msg32;
359 	u16 msg16;
360 
361 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
362 	msg32 |= 1 << MSI_ENABLE_BIT;
363 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
364 
365 	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
366 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
367 
368 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
369 	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
370 		  PCI_COMMAND_INTX_DISABLE);
371 	pci_write_config_word(dev, PCI_COMMAND, msg16);
372 }
373 
374 void atomisp_msi_irq_uninit(struct atomisp_device *isp, struct pci_dev *dev)
375 {
376 	u32 msg32;
377 	u16 msg16;
378 
379 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
380 	msg32 &=  ~(1 << MSI_ENABLE_BIT);
381 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
382 
383 	msg32 = 0x0;
384 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
385 
386 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
387 	msg16 &= ~(PCI_COMMAND_MASTER);
388 	pci_write_config_word(dev, PCI_COMMAND, msg16);
389 }
390 
391 static void atomisp_sof_event(struct atomisp_sub_device *asd)
392 {
393 	struct v4l2_event event = {0};
394 
395 	event.type = V4L2_EVENT_FRAME_SYNC;
396 	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
397 
398 	v4l2_event_queue(asd->subdev.devnode, &event);
399 }
400 
401 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
402 {
403 	struct v4l2_event event = {0};
404 
405 	event.type = V4L2_EVENT_FRAME_END;
406 	event.u.frame_sync.frame_sequence = exp_id;
407 
408 	v4l2_event_queue(asd->subdev.devnode, &event);
409 }
410 
411 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
412 	uint8_t exp_id)
413 {
414 	struct v4l2_event event = {0};
415 
416 	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
417 	event.u.frame_sync.frame_sequence = exp_id;
418 
419 	v4l2_event_queue(asd->subdev.devnode, &event);
420 }
421 
422 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
423 	enum atomisp_metadata_type md_type)
424 {
425 	struct v4l2_event event = {0};
426 
427 	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
428 	event.u.data[0] = md_type;
429 
430 	v4l2_event_queue(asd->subdev.devnode, &event);
431 }
432 
433 static void atomisp_reset_event(struct atomisp_sub_device *asd)
434 {
435 	struct v4l2_event event = {0};
436 
437 	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
438 
439 	v4l2_event_queue(asd->subdev.devnode, &event);
440 }
441 
442 static void print_csi_rx_errors(enum mipi_port_id port,
443 				struct atomisp_device *isp)
444 {
445 	u32 infos = 0;
446 
447 	atomisp_css_rx_get_irq_info(port, &infos);
448 
449 	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
450 	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
451 		dev_err(isp->dev, "  buffer overrun");
452 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
453 		dev_err(isp->dev, "  start-of-transmission error");
454 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
455 		dev_err(isp->dev, "  start-of-transmission sync error");
456 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
457 		dev_err(isp->dev, "  control error");
458 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
459 		dev_err(isp->dev, "  2 or more ECC errors");
460 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
461 		dev_err(isp->dev, "  CRC mismatch");
462 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
463 		dev_err(isp->dev, "  unknown error");
464 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
465 		dev_err(isp->dev, "  frame sync error");
466 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
467 		dev_err(isp->dev, "  frame data error");
468 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
469 		dev_err(isp->dev, "  data timeout");
470 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
471 		dev_err(isp->dev, "  unknown escape command entry");
472 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
473 		dev_err(isp->dev, "  line sync error");
474 }
475 
476 /* Clear irq reg */
477 static void clear_irq_reg(struct atomisp_device *isp)
478 {
479 	u32 msg_ret;
480 
481 	pci_read_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, &msg_ret);
482 	msg_ret |= 1 << INTR_IIR;
483 	pci_write_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, msg_ret);
484 }
485 
486 static struct atomisp_sub_device *
487 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
488 {
489 	int i;
490 
491 	/* Check which isp subdev to send eof */
492 	for (i = 0; i < isp->num_of_streams; i++) {
493 		struct atomisp_sub_device *asd = &isp->asd[i];
494 		struct camera_mipi_info *mipi_info;
495 
496 		mipi_info = atomisp_to_sensor_mipi_info(
497 				isp->inputs[asd->input_curr].camera);
498 
499 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
500 		    __get_mipi_port(isp, mipi_info->port) == port) {
501 			return asd;
502 		}
503 	}
504 
505 	return NULL;
506 }
507 
508 /* interrupt handling function*/
509 irqreturn_t atomisp_isr(int irq, void *dev)
510 {
511 	struct atomisp_device *isp = (struct atomisp_device *)dev;
512 	struct atomisp_sub_device *asd;
513 	struct atomisp_css_event eof_event;
514 	unsigned int irq_infos = 0;
515 	unsigned long flags;
516 	unsigned int i;
517 	int err;
518 
519 	spin_lock_irqsave(&isp->lock, flags);
520 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
521 	    !isp->css_initialized) {
522 		spin_unlock_irqrestore(&isp->lock, flags);
523 		return IRQ_HANDLED;
524 	}
525 	err = atomisp_css_irq_translate(isp, &irq_infos);
526 	if (err) {
527 		spin_unlock_irqrestore(&isp->lock, flags);
528 		return IRQ_NONE;
529 	}
530 
531 	clear_irq_reg(isp);
532 
533 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp))
534 		goto out_nowake;
535 
536 	for (i = 0; i < isp->num_of_streams; i++) {
537 		asd = &isp->asd[i];
538 
539 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
540 			continue;
541 		/*
542 		 * Current SOF only support one stream, so the SOF only valid
543 		 * either solely one stream is running
544 		 */
545 		if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
546 			atomic_inc(&asd->sof_count);
547 			atomisp_sof_event(asd);
548 
549 			/* If sequence_temp and sequence are the same
550 			 * there where no frames lost so we can increase
551 			 * sequence_temp.
552 			 * If not then processing of frame is still in progress
553 			 * and driver needs to keep old sequence_temp value.
554 			 * NOTE: There is assumption here that ISP will not
555 			 * start processing next frame from sensor before old
556 			 * one is completely done. */
557 			if (atomic_read(&asd->sequence) == atomic_read(
558 				&asd->sequence_temp))
559 				atomic_set(&asd->sequence_temp,
560 					   atomic_read(&asd->sof_count));
561 		}
562 		if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
563 			atomic_set(&asd->sequence,
564 				   atomic_read(&asd->sequence_temp));
565 	}
566 
567 	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
568 		dev_dbg_ratelimited(isp->dev,
569 				    "irq:0x%x (SOF)\n",
570 				    irq_infos);
571 		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
572 	}
573 
574 	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
575 	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
576 		/* handle mipi receiver error */
577 		u32 rx_infos;
578 		enum mipi_port_id port;
579 
580 		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
581 		     port++) {
582 			print_csi_rx_errors(port, isp);
583 			atomisp_css_rx_get_irq_info(port, &rx_infos);
584 			atomisp_css_rx_clear_irq_info(port, rx_infos);
585 		}
586 	}
587 
588 	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
589 		while (ia_css_dequeue_isys_event(&eof_event.event) ==
590 		       0) {
591 			/* EOF Event does not have the css_pipe returned */
592 			asd = __get_asd_from_port(isp, eof_event.event.port);
593 			if (!asd) {
594 				dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
595 					__func__, eof_event.event.type);
596 				continue;
597 			}
598 
599 			atomisp_eof_event(asd, eof_event.event.exp_id);
600 			dev_dbg_ratelimited(isp->dev,
601 					    "%s ISYS event: EOF exp_id %d, asd %d\n",
602 					    __func__, eof_event.event.exp_id,
603 					    asd->index);
604 		}
605 
606 		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
607 		if (irq_infos == 0)
608 			goto out_nowake;
609 	}
610 
611 	spin_unlock_irqrestore(&isp->lock, flags);
612 
613 	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
614 
615 	return IRQ_WAKE_THREAD;
616 
617 out_nowake:
618 	spin_unlock_irqrestore(&isp->lock, flags);
619 
620 	if (irq_infos)
621 		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
622 				    irq_infos);
623 
624 	return IRQ_HANDLED;
625 }
626 
627 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
628 {
629 	int i;
630 
631 	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
632 	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
633 		memset(asd->metadata_bufs_in_css[i], 0,
634 		       sizeof(asd->metadata_bufs_in_css[i]));
635 	asd->dis_bufs_in_css = 0;
636 	asd->video_out_capture.buffers_in_css = 0;
637 	asd->video_out_vf.buffers_in_css = 0;
638 	asd->video_out_preview.buffers_in_css = 0;
639 	asd->video_out_video_capture.buffers_in_css = 0;
640 }
641 
642 /* ISP2400 */
643 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
644 {
645 	return asd->video_out_capture.buffers_in_css ||
646 	       asd->video_out_vf.buffers_in_css ||
647 	       asd->video_out_preview.buffers_in_css ||
648 	       asd->video_out_video_capture.buffers_in_css ?
649 	       true : false;
650 }
651 
652 /* ISP2401 */
653 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
654 {
655 	return pipe->buffers_in_css ? true : false;
656 }
657 
658 /* 0x100000 is the start of dmem inside SP */
659 #define SP_DMEM_BASE	0x100000
660 
661 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
662 		  unsigned int size)
663 {
664 	unsigned int data = 0;
665 	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
666 
667 	dev_dbg(isp->dev, "atomisp_io_base:%p\n", atomisp_io_base);
668 	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
669 		addr, size, size32);
670 	if (size32 * 4 + addr > 0x4000) {
671 		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
672 			size32, addr);
673 		return;
674 	}
675 	addr += SP_DMEM_BASE;
676 	do {
677 		data = _hrt_master_port_uload_32(addr);
678 
679 		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
680 		addr += sizeof(unsigned int);
681 		size32 -= 1;
682 	} while (size32 > 0);
683 }
684 
685 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
686     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
687 {
688 	struct videobuf_vmalloc_memory *vm_mem;
689 	struct ia_css_frame *handle;
690 	int i;
691 
692 	for (i = 0; pipe->capq.bufs[i]; i++) {
693 		vm_mem = pipe->capq.bufs[i]->priv;
694 		handle = vm_mem->vaddr;
695 		if (handle && handle->data == frame->data)
696 			return pipe->capq.bufs[i];
697 	}
698 
699 	return NULL;
700 }
701 
702 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
703 				     struct atomisp_video_pipe *pipe)
704 {
705 	unsigned long irqflags;
706 	int i;
707 
708 	if (!pipe->users)
709 		return;
710 
711 	for (i = 0; pipe->capq.bufs[i]; i++) {
712 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
713 		if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
714 		    pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
715 			pipe->capq.bufs[i]->ts = ktime_get_ns();
716 			pipe->capq.bufs[i]->field_count =
717 			    atomic_read(&asd->sequence) << 1;
718 			dev_dbg(asd->isp->dev, "release buffers on device %s\n",
719 				pipe->vdev.name);
720 			if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
721 				list_del_init(&pipe->capq.bufs[i]->queue);
722 			pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
723 			wake_up(&pipe->capq.bufs[i]->done);
724 		}
725 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
726 	}
727 }
728 
729 /* Returns queued buffers back to video-core */
730 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
731 {
732 	atomisp_flush_video_pipe(asd, &asd->video_out_capture);
733 	atomisp_flush_video_pipe(asd, &asd->video_out_vf);
734 	atomisp_flush_video_pipe(asd, &asd->video_out_preview);
735 	atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
736 }
737 
738 /* clean out the parameters that did not apply */
739 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
740 {
741 	struct atomisp_css_params_with_list *param;
742 
743 	while (!list_empty(&pipe->per_frame_params)) {
744 		param = list_entry(pipe->per_frame_params.next,
745 				   struct atomisp_css_params_with_list, list);
746 		list_del(&param->list);
747 		atomisp_free_css_parameters(&param->params);
748 		kvfree(param);
749 	}
750 }
751 
752 /* Re-queue per-frame parameters */
753 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
754 {
755 	struct atomisp_css_params_with_list *param;
756 	int i;
757 
758 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
759 		param = pipe->frame_params[i];
760 		if (param)
761 			list_add_tail(&param->list, &pipe->per_frame_params);
762 		pipe->frame_params[i] = NULL;
763 	}
764 	atomisp_handle_parameter_and_buffer(pipe);
765 }
766 
767 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
768 static struct atomisp_video_pipe *__atomisp_get_pipe(
769     struct atomisp_sub_device *asd,
770     enum atomisp_input_stream_id stream_id,
771     enum ia_css_pipe_id css_pipe_id,
772     enum ia_css_buffer_type buf_type)
773 {
774 	struct atomisp_device *isp = asd->isp;
775 
776 	if (css_pipe_id == IA_CSS_PIPE_ID_COPY &&
777 	    isp->inputs[asd->input_curr].camera_caps->
778 	    sensor[asd->sensor_curr].stream_num > 1) {
779 		switch (stream_id) {
780 		case ATOMISP_INPUT_STREAM_PREVIEW:
781 			return &asd->video_out_preview;
782 		case ATOMISP_INPUT_STREAM_POSTVIEW:
783 			return &asd->video_out_vf;
784 		case ATOMISP_INPUT_STREAM_VIDEO:
785 			return &asd->video_out_video_capture;
786 		case ATOMISP_INPUT_STREAM_CAPTURE:
787 		default:
788 			return &asd->video_out_capture;
789 		}
790 	}
791 
792 	/* video is same in online as in continuouscapture mode */
793 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
794 		/*
795 		 * Disable vf_pp and run CSS in still capture mode. In this
796 		 * mode, CSS does not cause extra latency with buffering, but
797 		 * scaling is not available.
798 		 */
799 		return &asd->video_out_capture;
800 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
801 		/*
802 		 * Disable vf_pp and run CSS in video mode. This allows using
803 		 * ISP scaling but it has one frame delay due to CSS internal
804 		 * buffering.
805 		 */
806 		return &asd->video_out_video_capture;
807 	} else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
808 		/*
809 		 * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
810 		 */
811 		if (asd->continuous_mode->val) {
812 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
813 				/* SDV case */
814 				switch (buf_type) {
815 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
816 					return &asd->video_out_video_capture;
817 				case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
818 					return &asd->video_out_preview;
819 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
820 					return &asd->video_out_capture;
821 				default:
822 					return &asd->video_out_vf;
823 				}
824 			} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
825 				/* ZSL case */
826 				switch (buf_type) {
827 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
828 					return &asd->video_out_preview;
829 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
830 					return &asd->video_out_capture;
831 				default:
832 					return &asd->video_out_vf;
833 				}
834 			}
835 		} else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
836 			switch (asd->run_mode->val) {
837 			case ATOMISP_RUN_MODE_VIDEO:
838 				return &asd->video_out_video_capture;
839 			case ATOMISP_RUN_MODE_PREVIEW:
840 				return &asd->video_out_preview;
841 			default:
842 				return &asd->video_out_capture;
843 			}
844 		} else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
845 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
846 				return &asd->video_out_preview;
847 			else
848 				return &asd->video_out_vf;
849 		}
850 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
851 		/* For online video or SDV video pipe. */
852 		if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
853 		    css_pipe_id == IA_CSS_PIPE_ID_COPY) {
854 			if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
855 				return &asd->video_out_video_capture;
856 			return &asd->video_out_preview;
857 		}
858 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
859 		/* For online preview or ZSL preview pipe. */
860 		if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
861 		    css_pipe_id == IA_CSS_PIPE_ID_COPY)
862 			return &asd->video_out_preview;
863 	}
864 	/* For capture pipe. */
865 	if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
866 		return &asd->video_out_vf;
867 	return &asd->video_out_capture;
868 }
869 
870 enum atomisp_metadata_type
871 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
872 			  enum ia_css_pipe_id pipe_id) {
873 	if (!asd->continuous_mode->val)
874 		return ATOMISP_MAIN_METADATA;
875 
876 	if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
877 		return ATOMISP_SEC_METADATA;
878 	else
879 		return ATOMISP_MAIN_METADATA;
880 }
881 
882 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
883 		      enum ia_css_buffer_type buf_type,
884 		      enum ia_css_pipe_id css_pipe_id,
885 		      bool q_buffers, enum atomisp_input_stream_id stream_id)
886 {
887 	struct videobuf_buffer *vb = NULL;
888 	struct atomisp_video_pipe *pipe = NULL;
889 	struct atomisp_css_buffer buffer;
890 	bool requeue = false;
891 	int err;
892 	unsigned long irqflags;
893 	struct ia_css_frame *frame = NULL;
894 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp;
895 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp;
896 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp;
897 	enum atomisp_metadata_type md_type;
898 	struct atomisp_device *isp = asd->isp;
899 	struct v4l2_control ctrl;
900 	bool reset_wdt_timer = false;
901 
902 	if (
903 	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
904 	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
905 	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
906 	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
907 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
908 	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
909 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
910 	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
911 		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
912 			__func__, buf_type);
913 		return;
914 	}
915 
916 	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
917 	buffer.css_buffer.type = buf_type;
918 	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
919 					 buf_type, &buffer);
920 	if (err) {
921 		dev_err(isp->dev,
922 			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
923 		return;
924 	}
925 
926 	/* need to know the atomisp pipe for frame buffers */
927 	pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
928 	if (!pipe) {
929 		dev_err(isp->dev, "error getting atomisp pipe\n");
930 		return;
931 	}
932 
933 	switch (buf_type) {
934 	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
935 		list_for_each_entry_safe(s3a_buf, _s3a_buf_tmp,
936 					 &asd->s3a_stats_in_css, list) {
937 			if (s3a_buf->s3a_data ==
938 			    buffer.css_buffer.data.stats_3a) {
939 				list_del_init(&s3a_buf->list);
940 				list_add_tail(&s3a_buf->list,
941 					      &asd->s3a_stats_ready);
942 				break;
943 			}
944 		}
945 
946 		asd->s3a_bufs_in_css[css_pipe_id]--;
947 		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
948 		dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
949 			__func__, s3a_buf->s3a_data->exp_id);
950 		break;
951 	case IA_CSS_BUFFER_TYPE_METADATA:
952 		if (error)
953 			break;
954 
955 		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
956 		list_for_each_entry_safe(md_buf, _md_buf_tmp,
957 					 &asd->metadata_in_css[md_type], list) {
958 			if (md_buf->metadata ==
959 			    buffer.css_buffer.data.metadata) {
960 				list_del_init(&md_buf->list);
961 				list_add_tail(&md_buf->list,
962 					      &asd->metadata_ready[md_type]);
963 				break;
964 			}
965 		}
966 		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
967 		atomisp_metadata_ready_event(asd, md_type);
968 		dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
969 			__func__, md_buf->metadata->exp_id);
970 		break;
971 	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
972 		list_for_each_entry_safe(dis_buf, _dis_buf_tmp,
973 					 &asd->dis_stats_in_css, list) {
974 			if (dis_buf->dis_data ==
975 			    buffer.css_buffer.data.stats_dvs) {
976 				spin_lock_irqsave(&asd->dis_stats_lock,
977 						  irqflags);
978 				list_del_init(&dis_buf->list);
979 				list_add(&dis_buf->list, &asd->dis_stats);
980 				asd->params.dis_proj_data_valid = true;
981 				spin_unlock_irqrestore(&asd->dis_stats_lock,
982 						       irqflags);
983 				break;
984 			}
985 		}
986 		asd->dis_bufs_in_css--;
987 		dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
988 			__func__, dis_buf->dis_data->exp_id);
989 		break;
990 	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
991 	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
992 		if (atomisp_hw_is_isp2401)
993 			reset_wdt_timer = true;
994 
995 		pipe->buffers_in_css--;
996 		frame = buffer.css_buffer.data.frame;
997 		if (!frame) {
998 			WARN_ON(1);
999 			break;
1000 		}
1001 		if (!frame->valid)
1002 			error = true;
1003 
1004 		/* FIXME:
1005 		 * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1006 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1007 		 */
1008 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1009 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1010 			frame->exp_id = (asd->postview_exp_id++) %
1011 					(ATOMISP_MAX_EXP_ID + 1);
1012 
1013 		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1014 			__func__, frame->exp_id);
1015 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1016 			if (frame->flash_state
1017 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1018 				dev_dbg(isp->dev, "%s thumb partially flashed\n",
1019 					__func__);
1020 			else if (frame->flash_state
1021 				 == IA_CSS_FRAME_FLASH_STATE_FULL)
1022 				dev_dbg(isp->dev, "%s thumb completely flashed\n",
1023 					__func__);
1024 			else
1025 				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1026 					__func__);
1027 		}
1028 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1029 		WARN_ON(!vb);
1030 		if (vb)
1031 			pipe->frame_config_id[vb->i] = frame->isp_config_id;
1032 		if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1033 		    asd->pending_capture_request > 0) {
1034 			err = atomisp_css_offline_capture_configure(asd,
1035 				asd->params.offline_parm.num_captures,
1036 				asd->params.offline_parm.skip_frames,
1037 				asd->params.offline_parm.offset);
1038 
1039 			asd->pending_capture_request--;
1040 
1041 			if (atomisp_hw_is_isp2401)
1042 				asd->re_trigger_capture = false;
1043 
1044 			dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1045 				err);
1046 		} else if (atomisp_hw_is_isp2401) {
1047 			asd->re_trigger_capture = true;
1048 		}
1049 		break;
1050 	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1051 	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1052 		if (atomisp_hw_is_isp2401)
1053 			reset_wdt_timer = true;
1054 
1055 		pipe->buffers_in_css--;
1056 		frame = buffer.css_buffer.data.frame;
1057 		if (!frame) {
1058 			WARN_ON(1);
1059 			break;
1060 		}
1061 
1062 		if (!frame->valid)
1063 			error = true;
1064 
1065 		/* FIXME:
1066 		 * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1067 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1068 		 */
1069 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1070 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1071 			frame->exp_id = (asd->preview_exp_id++) %
1072 					(ATOMISP_MAX_EXP_ID + 1);
1073 
1074 		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1075 			__func__, frame->exp_id);
1076 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1077 		if (!vb) {
1078 			WARN_ON(1);
1079 			break;
1080 		}
1081 
1082 		/* free the parameters */
1083 		if (pipe->frame_params[vb->i]) {
1084 			if (asd->params.dvs_6axis ==
1085 			    pipe->frame_params[vb->i]->params.dvs_6axis)
1086 				asd->params.dvs_6axis = NULL;
1087 			atomisp_free_css_parameters(
1088 			    &pipe->frame_params[vb->i]->params);
1089 			kvfree(pipe->frame_params[vb->i]);
1090 			pipe->frame_params[vb->i] = NULL;
1091 		}
1092 
1093 		pipe->frame_config_id[vb->i] = frame->isp_config_id;
1094 		ctrl.id = V4L2_CID_FLASH_MODE;
1095 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1096 			if (frame->flash_state
1097 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1098 				asd->frame_status[vb->i] =
1099 				    ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1100 				dev_dbg(isp->dev, "%s partially flashed\n",
1101 					__func__);
1102 			} else if (frame->flash_state
1103 				   == IA_CSS_FRAME_FLASH_STATE_FULL) {
1104 				asd->frame_status[vb->i] =
1105 				    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1106 				asd->params.num_flash_frames--;
1107 				dev_dbg(isp->dev, "%s completely flashed\n",
1108 					__func__);
1109 			} else {
1110 				asd->frame_status[vb->i] =
1111 				    ATOMISP_FRAME_STATUS_OK;
1112 				dev_dbg(isp->dev,
1113 					"%s no flash in this frame\n",
1114 					__func__);
1115 			}
1116 
1117 			/* Check if flashing sequence is done */
1118 			if (asd->frame_status[vb->i] ==
1119 			    ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1120 				asd->params.flash_state = ATOMISP_FLASH_DONE;
1121 		} else if (isp->flash) {
1122 			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1123 			    0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1124 				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1125 				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1126 				    == 0 && ctrl.value > 0) {
1127 					asd->frame_status[vb->i] =
1128 					    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1129 				} else {
1130 					asd->frame_status[vb->i] =
1131 					    ATOMISP_FRAME_STATUS_OK;
1132 				}
1133 			} else
1134 				asd->frame_status[vb->i] =
1135 				    ATOMISP_FRAME_STATUS_OK;
1136 		} else {
1137 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1138 		}
1139 
1140 		asd->params.last_frame_status = asd->frame_status[vb->i];
1141 
1142 		if (asd->continuous_mode->val) {
1143 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1144 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1145 				asd->latest_preview_exp_id = frame->exp_id;
1146 			} else if (css_pipe_id ==
1147 				   IA_CSS_PIPE_ID_CAPTURE) {
1148 				if (asd->run_mode->val ==
1149 				    ATOMISP_RUN_MODE_VIDEO)
1150 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1151 						frame->exp_id);
1152 				else
1153 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1154 						frame->exp_id);
1155 			}
1156 		}
1157 		/*
1158 		 * Only after enabled the raw buffer lock
1159 		 * and in continuous mode.
1160 		 * in preview/video pipe, each buffer will
1161 		 * be locked automatically, so record it here.
1162 		 */
1163 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1164 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1165 		    asd->enable_raw_buffer_lock->val &&
1166 		    asd->continuous_mode->val) {
1167 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1168 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1169 		}
1170 
1171 		if (asd->params.css_update_params_needed) {
1172 			atomisp_apply_css_parameters(asd,
1173 						     &asd->params.css_param);
1174 			if (asd->params.css_param.update_flag.dz_config)
1175 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1176 			/* New global dvs 6axis config should be blocked
1177 			 * here if there's a buffer with per-frame parameters
1178 			 * pending in CSS frame buffer queue.
1179 			 * This is to aviod zooming vibration since global
1180 			 * parameters take effect immediately while
1181 			 * per-frame parameters are taken after previous
1182 			 * buffers in CSS got processed.
1183 			 */
1184 			if (asd->params.dvs_6axis)
1185 				atomisp_css_set_dvs_6axis(asd,
1186 							  asd->params.dvs_6axis);
1187 			else
1188 				asd->params.css_update_params_needed = false;
1189 			/* The update flag should not be cleaned here
1190 			 * since it is still going to be used to make up
1191 			 * following per-frame parameters.
1192 			 * This will introduce more copy work since each
1193 			 * time when updating global parameters, the whole
1194 			 * parameter set are applied.
1195 			 * FIXME: A new set of parameter copy functions can
1196 			 * be added to make up per-frame parameters based on
1197 			 * solid structures stored in asd->params.css_param
1198 			 * instead of using shadow pointers in update flag.
1199 			 */
1200 			atomisp_css_update_isp_params(asd);
1201 		}
1202 		break;
1203 	default:
1204 		break;
1205 	}
1206 	if (vb)
1207 	{
1208 		vb->ts = ktime_get_ns();
1209 		vb->field_count = atomic_read(&asd->sequence) << 1;
1210 		/*mark videobuffer done for dequeue*/
1211 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1212 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1213 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1214 
1215 		/*
1216 		 * Frame capture done, wake up any process block on
1217 		 * current active buffer
1218 		 * possibly hold by videobuf_dqbuf()
1219 		 */
1220 		wake_up(&vb->done);
1221 	}
1222 	if (atomisp_hw_is_isp2401)
1223 		atomic_set(&pipe->wdt_count, 0);
1224 
1225 	/*
1226 	 * Requeue should only be done for 3a and dis buffers.
1227 	 * Queue/dequeue order will change if driver recycles image buffers.
1228 	 */
1229 	if (requeue)
1230 	{
1231 		err = atomisp_css_queue_buffer(asd,
1232 					       stream_id, css_pipe_id,
1233 					       buf_type, &buffer);
1234 		if (err)
1235 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1236 				__func__, err);
1237 		return;
1238 	}
1239 	if (!error && q_buffers)
1240 		atomisp_qbuffers_to_css(asd);
1241 
1242 	if (atomisp_hw_is_isp2401) {
1243 		/* If there are no buffers queued then
1244 		* delete wdt timer. */
1245 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1246 			return;
1247 		if (!atomisp_buffers_queued_pipe(pipe))
1248 			atomisp_wdt_stop_pipe(pipe, false);
1249 		else if (reset_wdt_timer)
1250 			/* SOF irq should not reset wdt timer. */
1251 			atomisp_wdt_refresh_pipe(pipe,
1252 						ATOMISP_WDT_KEEP_CURRENT_DELAY);
1253 	}
1254 }
1255 
1256 void atomisp_delayed_init_work(struct work_struct *work)
1257 {
1258 	struct atomisp_sub_device *asd = container_of(work,
1259 					 struct atomisp_sub_device,
1260 					 delayed_init_work);
1261 	/*
1262 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1263 	 */
1264 	if (!ATOMISP_USE_YUVPP(asd)) {
1265 		struct v4l2_event event = {0};
1266 		struct ia_css_stream *stream;
1267 
1268 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1269 
1270 
1271 		if (ia_css_alloc_continuous_frame_remain(stream))
1272 			return;
1273 
1274 		ia_css_update_continuous_frames(stream);
1275 
1276 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1277 		v4l2_event_queue(asd->subdev.devnode, &event);
1278 	}
1279 
1280 	/* signal streamon after delayed init is done */
1281 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1282 	complete(&asd->init_done);
1283 }
1284 
1285 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1286 {
1287 	enum ia_css_pipe_id css_pipe_id;
1288 	bool stream_restart[MAX_STREAM_NUM] = {0};
1289 	bool depth_mode = false;
1290 	int i, ret, depth_cnt = 0;
1291 
1292 	if (!isp->sw_contex.file_input)
1293 		atomisp_css_irq_enable(isp,
1294 				       IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1295 
1296 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1297 
1298 	for (i = 0; i < isp->num_of_streams; i++) {
1299 		struct atomisp_sub_device *asd = &isp->asd[i];
1300 		struct ia_css_pipeline *acc_pipeline;
1301 		struct ia_css_pipe *acc_pipe = NULL;
1302 
1303 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1304 		    !asd->stream_prepared)
1305 			continue;
1306 
1307 		/*
1308 		* AtomISP::waitStageUpdate is blocked when WDT happens.
1309 		* By calling acc_done() for all loaded fw_handles,
1310 		* HAL will be unblocked.
1311 		*/
1312 		acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1313 		if (acc_pipe) {
1314 			acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1315 			if (acc_pipeline) {
1316 				struct ia_css_pipeline_stage *stage;
1317 
1318 				for (stage = acc_pipeline->stages; stage;
1319 				     stage = stage->next) {
1320 					const struct ia_css_fw_info *fw;
1321 
1322 					fw = stage->firmware;
1323 					atomisp_acc_done(asd, fw->handle);
1324 				}
1325 			}
1326 		}
1327 
1328 		depth_cnt++;
1329 
1330 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1331 			cancel_work_sync(&asd->delayed_init_work);
1332 
1333 		complete(&asd->init_done);
1334 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1335 
1336 		stream_restart[asd->index] = true;
1337 
1338 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1339 
1340 		/* stream off sensor */
1341 		ret = v4l2_subdev_call(
1342 			  isp->inputs[asd->input_curr].
1343 			  camera, video, s_stream, 0);
1344 		if (ret)
1345 			dev_warn(isp->dev,
1346 				 "can't stop streaming on sensor!\n");
1347 
1348 		atomisp_acc_unload_extensions(asd);
1349 
1350 		atomisp_clear_css_buffer_counters(asd);
1351 
1352 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1353 		atomisp_css_stop(asd, css_pipe_id, true);
1354 
1355 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1356 
1357 		asd->preview_exp_id = 1;
1358 		asd->postview_exp_id = 1;
1359 		/* notify HAL the CSS reset */
1360 		dev_dbg(isp->dev,
1361 			"send reset event to %s\n", asd->subdev.devnode->name);
1362 		atomisp_reset_event(asd);
1363 	}
1364 
1365 	/* clear irq */
1366 	disable_isp_irq(hrt_isp_css_irq_sp);
1367 	clear_isp_irq(hrt_isp_css_irq_sp);
1368 
1369 	/* Set the SRSE to 3 before resetting */
1370 	pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
1371 			       MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1372 
1373 	/* reset ISP and restore its state */
1374 	isp->isp_timeout = true;
1375 	atomisp_reset(isp);
1376 	isp->isp_timeout = false;
1377 
1378 	if (!isp_timeout) {
1379 		for (i = 0; i < isp->num_of_streams; i++) {
1380 			if (isp->asd[i].depth_mode->val)
1381 				return;
1382 		}
1383 	}
1384 
1385 	for (i = 0; i < isp->num_of_streams; i++) {
1386 		struct atomisp_sub_device *asd = &isp->asd[i];
1387 
1388 		if (!stream_restart[i])
1389 			continue;
1390 
1391 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1392 			atomisp_css_input_set_mode(asd,
1393 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1394 
1395 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1396 		if (atomisp_css_start(asd, css_pipe_id, true))
1397 			dev_warn(isp->dev,
1398 				 "start SP failed, so do not set streaming to be enable!\n");
1399 		else
1400 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1401 
1402 		atomisp_csi2_configure(asd);
1403 	}
1404 
1405 	if (!isp->sw_contex.file_input) {
1406 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1407 				       atomisp_css_valid_sof(isp));
1408 
1409 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1410 			dev_dbg(isp->dev, "dfs failed!\n");
1411 	} else {
1412 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1413 			dev_dbg(isp->dev, "dfs failed!\n");
1414 	}
1415 
1416 	for (i = 0; i < isp->num_of_streams; i++) {
1417 		struct atomisp_sub_device *asd;
1418 
1419 		asd = &isp->asd[i];
1420 
1421 		if (!stream_restart[i])
1422 			continue;
1423 
1424 		if (asd->continuous_mode->val &&
1425 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1426 			reinit_completion(&asd->init_done);
1427 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1428 			queue_work(asd->delayed_init_workq,
1429 				   &asd->delayed_init_work);
1430 		}
1431 		/*
1432 		 * dequeueing buffers is not needed. CSS will recycle
1433 		 * buffers that it has.
1434 		 */
1435 		atomisp_flush_bufs_and_wakeup(asd);
1436 
1437 		/* Requeue unprocessed per-frame parameters. */
1438 		atomisp_recover_params_queue(&asd->video_out_capture);
1439 		atomisp_recover_params_queue(&asd->video_out_preview);
1440 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1441 
1442 		if ((asd->depth_mode->val) &&
1443 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1444 			depth_mode = true;
1445 			continue;
1446 		}
1447 
1448 		ret = v4l2_subdev_call(
1449 			  isp->inputs[asd->input_curr].camera, video,
1450 			  s_stream, 1);
1451 		if (ret)
1452 			dev_warn(isp->dev,
1453 				 "can't start streaming on sensor!\n");
1454 	}
1455 
1456 	if (depth_mode) {
1457 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1458 			dev_warn(isp->dev,
1459 				 "master slave sensor stream on failed!\n");
1460 	}
1461 }
1462 
1463 void atomisp_wdt_work(struct work_struct *work)
1464 {
1465 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1466 				     wdt_work);
1467 	int i;
1468 	unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1469 	bool css_recover = false;
1470 
1471 	rt_mutex_lock(&isp->mutex);
1472 	if (!atomisp_streaming_count(isp)) {
1473 		atomic_set(&isp->wdt_work_queued, 0);
1474 		rt_mutex_unlock(&isp->mutex);
1475 		return;
1476 	}
1477 
1478 	if (!atomisp_hw_is_isp2401) {
1479 		dev_err(isp->dev, "timeout %d of %d\n",
1480 			atomic_read(&isp->wdt_count) + 1,
1481 			ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1482 
1483 		if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1484 			css_recover = true;
1485 	} else {
1486 		css_recover = true;
1487 
1488 		for (i = 0; i < isp->num_of_streams; i++) {
1489 			struct atomisp_sub_device *asd = &isp->asd[i];
1490 
1491 			pipe_wdt_cnt[i][0] +=
1492 			    atomic_read(&asd->video_out_capture.wdt_count);
1493 			pipe_wdt_cnt[i][1] +=
1494 			    atomic_read(&asd->video_out_vf.wdt_count);
1495 			pipe_wdt_cnt[i][2] +=
1496 			    atomic_read(&asd->video_out_preview.wdt_count);
1497 			pipe_wdt_cnt[i][3] +=
1498 			    atomic_read(&asd->video_out_video_capture.wdt_count);
1499 			css_recover =
1500 			    (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1501 			    pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1502 			    pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1503 			    pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1504 			    ? true : false;
1505 			dev_err(isp->dev,
1506 				"pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1507 				asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1508 				pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1509 				ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1510 		}
1511 	}
1512 
1513 	if (css_recover) {
1514 		ia_css_debug_dump_sp_sw_debug_info();
1515 		ia_css_debug_dump_debug_info(__func__);
1516 		for (i = 0; i < isp->num_of_streams; i++) {
1517 			struct atomisp_sub_device *asd = &isp->asd[i];
1518 
1519 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1520 				continue;
1521 			dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1522 				__func__,
1523 				asd->video_out_capture.vdev.name,
1524 				asd->video_out_capture.
1525 				buffers_in_css);
1526 			dev_err(isp->dev,
1527 				"%s, vdev %s buffers in css: %d\n",
1528 				__func__,
1529 				asd->video_out_vf.vdev.name,
1530 				asd->video_out_vf.
1531 				buffers_in_css);
1532 			dev_err(isp->dev,
1533 				"%s, vdev %s buffers in css: %d\n",
1534 				__func__,
1535 				asd->video_out_preview.vdev.name,
1536 				asd->video_out_preview.
1537 				buffers_in_css);
1538 			dev_err(isp->dev,
1539 				"%s, vdev %s buffers in css: %d\n",
1540 				__func__,
1541 				asd->video_out_video_capture.vdev.name,
1542 				asd->video_out_video_capture.
1543 				buffers_in_css);
1544 			dev_err(isp->dev,
1545 				"%s, s3a buffers in css preview pipe:%d\n",
1546 				__func__,
1547 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1548 			dev_err(isp->dev,
1549 				"%s, s3a buffers in css capture pipe:%d\n",
1550 				__func__,
1551 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1552 			dev_err(isp->dev,
1553 				"%s, s3a buffers in css video pipe:%d\n",
1554 				__func__,
1555 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1556 			dev_err(isp->dev,
1557 				"%s, dis buffers in css: %d\n",
1558 				__func__, asd->dis_bufs_in_css);
1559 			dev_err(isp->dev,
1560 				"%s, metadata buffers in css preview pipe:%d\n",
1561 				__func__,
1562 				asd->metadata_bufs_in_css
1563 				[ATOMISP_INPUT_STREAM_GENERAL]
1564 				[IA_CSS_PIPE_ID_PREVIEW]);
1565 			dev_err(isp->dev,
1566 				"%s, metadata buffers in css capture pipe:%d\n",
1567 				__func__,
1568 				asd->metadata_bufs_in_css
1569 				[ATOMISP_INPUT_STREAM_GENERAL]
1570 				[IA_CSS_PIPE_ID_CAPTURE]);
1571 			dev_err(isp->dev,
1572 				"%s, metadata buffers in css video pipe:%d\n",
1573 				__func__,
1574 				asd->metadata_bufs_in_css
1575 				[ATOMISP_INPUT_STREAM_GENERAL]
1576 				[IA_CSS_PIPE_ID_VIDEO]);
1577 			if (asd->enable_raw_buffer_lock->val) {
1578 				unsigned int j;
1579 
1580 				dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1581 					__func__, asd->raw_buffer_locked_count);
1582 				for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1583 					dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1584 						__func__, j,
1585 						asd->raw_buffer_bitmap[j]);
1586 			}
1587 		}
1588 
1589 		/*sh_css_dump_sp_state();*/
1590 		/*sh_css_dump_isp_state();*/
1591 	} else {
1592 		for (i = 0; i < isp->num_of_streams; i++) {
1593 			struct atomisp_sub_device *asd = &isp->asd[i];
1594 
1595 			if (asd->streaming ==
1596 			    ATOMISP_DEVICE_STREAMING_ENABLED) {
1597 				atomisp_clear_css_buffer_counters(asd);
1598 				atomisp_flush_bufs_and_wakeup(asd);
1599 				complete(&asd->init_done);
1600 			}
1601 			if (atomisp_hw_is_isp2401)
1602 				atomisp_wdt_stop(asd, false);
1603 		}
1604 
1605 		if (!atomisp_hw_is_isp2401) {
1606 			atomic_set(&isp->wdt_count, 0);
1607 		} else {
1608 			isp->isp_fatal_error = true;
1609 			atomic_set(&isp->wdt_work_queued, 0);
1610 
1611 			rt_mutex_unlock(&isp->mutex);
1612 			return;
1613 		}
1614 	}
1615 
1616 	__atomisp_css_recover(isp, true);
1617 	if (atomisp_hw_is_isp2401) {
1618 		for (i = 0; i < isp->num_of_streams; i++) {
1619 			struct atomisp_sub_device *asd = &isp->asd[i];
1620 
1621 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1622 				continue;
1623 
1624 			atomisp_wdt_refresh(asd,
1625 					    isp->sw_contex.file_input ?
1626 					    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1627 					    ATOMISP_ISP_TIMEOUT_DURATION);
1628 		}
1629 	}
1630 
1631 	dev_err(isp->dev, "timeout recovery handling done\n");
1632 	atomic_set(&isp->wdt_work_queued, 0);
1633 
1634 	rt_mutex_unlock(&isp->mutex);
1635 }
1636 
1637 void atomisp_css_flush(struct atomisp_device *isp)
1638 {
1639 	int i;
1640 
1641 	if (!atomisp_streaming_count(isp))
1642 		return;
1643 
1644 	/* Disable wdt */
1645 	for (i = 0; i < isp->num_of_streams; i++) {
1646 		struct atomisp_sub_device *asd = &isp->asd[i];
1647 
1648 		atomisp_wdt_stop(asd, true);
1649 	}
1650 
1651 	/* Start recover */
1652 	__atomisp_css_recover(isp, false);
1653 	/* Restore wdt */
1654 	for (i = 0; i < isp->num_of_streams; i++) {
1655 		struct atomisp_sub_device *asd = &isp->asd[i];
1656 
1657 		if (asd->streaming !=
1658 		    ATOMISP_DEVICE_STREAMING_ENABLED)
1659 			continue;
1660 
1661 		atomisp_wdt_refresh(asd,
1662 				    isp->sw_contex.file_input ?
1663 				    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1664 				    ATOMISP_ISP_TIMEOUT_DURATION);
1665 	}
1666 	dev_dbg(isp->dev, "atomisp css flush done\n");
1667 }
1668 
1669 void atomisp_wdt(struct timer_list *t)
1670 {
1671 	struct atomisp_sub_device *asd;
1672 	struct atomisp_device *isp;
1673 
1674 	if (!atomisp_hw_is_isp2401) {
1675 		asd = from_timer(asd, t, wdt);
1676 		isp = asd->isp;
1677 	} else {
1678 		struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1679 
1680 		asd = pipe->asd;
1681 		isp = asd->isp;
1682 
1683 		atomic_inc(&pipe->wdt_count);
1684 		dev_warn(isp->dev,
1685 			"[WARNING]asd %d pipe %s ISP timeout %d!\n",
1686 			asd->index, pipe->vdev.name,
1687 			atomic_read(&pipe->wdt_count));
1688 	}
1689 
1690 	if (atomic_read(&isp->wdt_work_queued)) {
1691 		dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1692 		return;
1693 	}
1694 	atomic_set(&isp->wdt_work_queued, 1);
1695 	queue_work(isp->wdt_work_queue, &isp->wdt_work);
1696 }
1697 
1698 /* ISP2400 */
1699 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1700 {
1701 	atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1702 }
1703 
1704 /* ISP2401 */
1705 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1706 			      unsigned int delay)
1707 {
1708 	unsigned long next;
1709 
1710 	if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1711 		pipe->wdt_duration = delay;
1712 
1713 	next = jiffies + pipe->wdt_duration;
1714 
1715 	/* Override next if it has been pushed beyon the "next" time */
1716 	if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1717 		next = pipe->wdt_expires;
1718 
1719 	pipe->wdt_expires = next;
1720 
1721 	if (atomisp_is_wdt_running(pipe))
1722 		dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1723 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1724 	else
1725 		dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1726 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1727 
1728 	mod_timer(&pipe->wdt, next);
1729 }
1730 
1731 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1732 {
1733 	if (!atomisp_hw_is_isp2401) {
1734 		unsigned long next;
1735 
1736 		if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1737 			asd->wdt_duration = delay;
1738 
1739 		next = jiffies + asd->wdt_duration;
1740 
1741 		/* Override next if it has been pushed beyon the "next" time */
1742 		if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1743 			next = asd->wdt_expires;
1744 
1745 		asd->wdt_expires = next;
1746 
1747 		if (atomisp_is_wdt_running(asd))
1748 			dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1749 				((int)(next - jiffies) * 1000 / HZ));
1750 		else
1751 			dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1752 				((int)(next - jiffies) * 1000 / HZ));
1753 
1754 		mod_timer(&asd->wdt, next);
1755 		atomic_set(&asd->isp->wdt_count, 0);
1756 	} else {
1757 		dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1758 		if (atomisp_is_wdt_running(&asd->video_out_capture))
1759 			atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1760 		if (atomisp_is_wdt_running(&asd->video_out_preview))
1761 			atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1762 		if (atomisp_is_wdt_running(&asd->video_out_vf))
1763 			atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1764 		if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1765 			atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1766 	}
1767 }
1768 
1769 /* ISP2401 */
1770 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1771 {
1772 	if (!atomisp_is_wdt_running(pipe))
1773 		return;
1774 
1775 	dev_dbg(pipe->asd->isp->dev,
1776 		"WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1777 
1778 	if (sync) {
1779 		del_timer_sync(&pipe->wdt);
1780 		cancel_work_sync(&pipe->asd->isp->wdt_work);
1781 	} else {
1782 		del_timer(&pipe->wdt);
1783 	}
1784 }
1785 
1786 /* ISP 2401 */
1787 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1788 {
1789 	atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1790 }
1791 
1792 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1793 {
1794 	dev_dbg(asd->isp->dev, "WDT stop:\n");
1795 
1796 	if (!atomisp_hw_is_isp2401) {
1797 		if (sync) {
1798 			del_timer_sync(&asd->wdt);
1799 			cancel_work_sync(&asd->isp->wdt_work);
1800 		} else {
1801 			del_timer(&asd->wdt);
1802 		}
1803 	} else {
1804 		atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1805 		atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1806 		atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1807 		atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1808 	}
1809 }
1810 
1811 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1812 {
1813 	struct atomisp_device *isp = asd->isp;
1814 	struct v4l2_control ctrl;
1815 
1816 	if (!isp->flash)
1817 		return;
1818 
1819 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1820 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1821 		return;
1822 
1823 	if (asd->params.num_flash_frames) {
1824 		/* make sure the timeout is set before setting flash mode */
1825 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1826 		ctrl.value = FLASH_TIMEOUT;
1827 
1828 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1829 			dev_err(isp->dev, "flash timeout configure failed\n");
1830 			return;
1831 		}
1832 
1833 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1834 
1835 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1836 	} else {
1837 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1838 	}
1839 }
1840 
1841 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1842 {
1843 	struct atomisp_device *isp = isp_ptr;
1844 	unsigned long flags;
1845 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1846 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1847 	unsigned int i;
1848 	struct atomisp_sub_device *asd;
1849 
1850 	dev_dbg(isp->dev, ">%s\n", __func__);
1851 
1852 	spin_lock_irqsave(&isp->lock, flags);
1853 
1854 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1855 		spin_unlock_irqrestore(&isp->lock, flags);
1856 		return IRQ_HANDLED;
1857 	}
1858 
1859 	spin_unlock_irqrestore(&isp->lock, flags);
1860 
1861 	/*
1862 	 * The standard CSS2.0 API tells the following calling sequence of
1863 	 * dequeue ready buffers:
1864 	 * while (ia_css_dequeue_event(...)) {
1865 	 *	switch (event.type) {
1866 	 *	...
1867 	 *	ia_css_pipe_dequeue_buffer()
1868 	 *	}
1869 	 * }
1870 	 * That is, dequeue event and buffer are one after another.
1871 	 *
1872 	 * But the following implementation is to first deuque all the event
1873 	 * to a FIFO, then process the event in the FIFO.
1874 	 * This will not have issue in single stream mode, but it do have some
1875 	 * issue in multiple stream case. The issue is that
1876 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1877 	 * a specific pipe.
1878 	 *
1879 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1880 	 * ia_css_pipe parameter.
1881 	 *
1882 	 * So:
1883 	 * For CSS2.0: we change the way to not dequeue all the event at one
1884 	 * time, instead, dequue one and process one, then another
1885 	 */
1886 	rt_mutex_lock(&isp->mutex);
1887 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1888 		goto out;
1889 
1890 	for (i = 0; i < isp->num_of_streams; i++) {
1891 		asd = &isp->asd[i];
1892 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1893 			continue;
1894 		atomisp_setup_flash(asd);
1895 	}
1896 out:
1897 	rt_mutex_unlock(&isp->mutex);
1898 	for (i = 0; i < isp->num_of_streams; i++) {
1899 		asd = &isp->asd[i];
1900 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1901 		    && css_pipe_done[asd->index]
1902 		    && isp->sw_contex.file_input)
1903 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1904 					 video, s_stream, 1);
1905 		/* FIXME! FIX ACC implementation */
1906 		if (asd->acc.pipeline && css_pipe_done[asd->index])
1907 			atomisp_css_acc_done(asd);
1908 	}
1909 	dev_dbg(isp->dev, "<%s\n", __func__);
1910 
1911 	return IRQ_HANDLED;
1912 }
1913 
1914 /*
1915  * utils for buffer allocation/free
1916  */
1917 
1918 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1919 			   const struct ia_css_frame *frame, u32 *p_pgnr)
1920 {
1921 	if (!frame) {
1922 		dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1923 		return -EINVAL;
1924 	}
1925 
1926 	*p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1927 	return 0;
1928 }
1929 
1930 /*
1931  * Get internal fmt according to V4L2 fmt
1932  */
1933 static enum ia_css_frame_format
1934 v4l2_fmt_to_sh_fmt(u32 fmt) {
1935 	switch (fmt)
1936 	{
1937 	case V4L2_PIX_FMT_YUV420:
1938 				return IA_CSS_FRAME_FORMAT_YUV420;
1939 	case V4L2_PIX_FMT_YVU420:
1940 		return IA_CSS_FRAME_FORMAT_YV12;
1941 	case V4L2_PIX_FMT_YUV422P:
1942 		return IA_CSS_FRAME_FORMAT_YUV422;
1943 	case V4L2_PIX_FMT_YUV444:
1944 		return IA_CSS_FRAME_FORMAT_YUV444;
1945 	case V4L2_PIX_FMT_NV12:
1946 		return IA_CSS_FRAME_FORMAT_NV12;
1947 	case V4L2_PIX_FMT_NV21:
1948 		return IA_CSS_FRAME_FORMAT_NV21;
1949 	case V4L2_PIX_FMT_NV16:
1950 		return IA_CSS_FRAME_FORMAT_NV16;
1951 	case V4L2_PIX_FMT_NV61:
1952 		return IA_CSS_FRAME_FORMAT_NV61;
1953 	case V4L2_PIX_FMT_UYVY:
1954 		return IA_CSS_FRAME_FORMAT_UYVY;
1955 	case V4L2_PIX_FMT_YUYV:
1956 		return IA_CSS_FRAME_FORMAT_YUYV;
1957 	case V4L2_PIX_FMT_RGB24:
1958 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1959 	case V4L2_PIX_FMT_RGB32:
1960 		return IA_CSS_FRAME_FORMAT_RGBA888;
1961 	case V4L2_PIX_FMT_RGB565:
1962 		return IA_CSS_FRAME_FORMAT_RGB565;
1963 	case V4L2_PIX_FMT_JPEG:
1964 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1965 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1966 	case V4L2_PIX_FMT_SBGGR16:
1967 	case V4L2_PIX_FMT_SBGGR10:
1968 	case V4L2_PIX_FMT_SGBRG10:
1969 	case V4L2_PIX_FMT_SGRBG10:
1970 	case V4L2_PIX_FMT_SRGGB10:
1971 	case V4L2_PIX_FMT_SBGGR12:
1972 	case V4L2_PIX_FMT_SGBRG12:
1973 	case V4L2_PIX_FMT_SGRBG12:
1974 	case V4L2_PIX_FMT_SRGGB12:
1975 	case V4L2_PIX_FMT_SBGGR8:
1976 	case V4L2_PIX_FMT_SGBRG8:
1977 	case V4L2_PIX_FMT_SGRBG8:
1978 	case V4L2_PIX_FMT_SRGGB8:
1979 		return IA_CSS_FRAME_FORMAT_RAW;
1980 	default:
1981 		return -EINVAL;
1982 	}
1983 }
1984 
1985 /*
1986  * raw format match between SH format and V4L2 format
1987  */
1988 static int raw_output_format_match_input(u32 input, u32 output)
1989 {
1990 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1991 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1992 	     (output == V4L2_PIX_FMT_SGRBG12) ||
1993 	     (output == V4L2_PIX_FMT_SBGGR12) ||
1994 	     (output == V4L2_PIX_FMT_SGBRG12)))
1995 		return 0;
1996 
1997 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
1998 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
1999 	     (output == V4L2_PIX_FMT_SGRBG10) ||
2000 	     (output == V4L2_PIX_FMT_SBGGR10) ||
2001 	     (output == V4L2_PIX_FMT_SGBRG10)))
2002 		return 0;
2003 
2004 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2005 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
2006 	     (output == V4L2_PIX_FMT_SGRBG8) ||
2007 	     (output == V4L2_PIX_FMT_SBGGR8) ||
2008 	     (output == V4L2_PIX_FMT_SGBRG8)))
2009 		return 0;
2010 
2011 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2012 		return 0;
2013 
2014 	return -EINVAL;
2015 }
2016 
2017 static u32 get_pixel_depth(u32 pixelformat)
2018 {
2019 	switch (pixelformat) {
2020 	case V4L2_PIX_FMT_YUV420:
2021 	case V4L2_PIX_FMT_NV12:
2022 	case V4L2_PIX_FMT_NV21:
2023 	case V4L2_PIX_FMT_YVU420:
2024 		return 12;
2025 	case V4L2_PIX_FMT_YUV422P:
2026 	case V4L2_PIX_FMT_YUYV:
2027 	case V4L2_PIX_FMT_UYVY:
2028 	case V4L2_PIX_FMT_NV16:
2029 	case V4L2_PIX_FMT_NV61:
2030 	case V4L2_PIX_FMT_RGB565:
2031 	case V4L2_PIX_FMT_SBGGR16:
2032 	case V4L2_PIX_FMT_SBGGR12:
2033 	case V4L2_PIX_FMT_SGBRG12:
2034 	case V4L2_PIX_FMT_SGRBG12:
2035 	case V4L2_PIX_FMT_SRGGB12:
2036 	case V4L2_PIX_FMT_SBGGR10:
2037 	case V4L2_PIX_FMT_SGBRG10:
2038 	case V4L2_PIX_FMT_SGRBG10:
2039 	case V4L2_PIX_FMT_SRGGB10:
2040 		return 16;
2041 	case V4L2_PIX_FMT_RGB24:
2042 	case V4L2_PIX_FMT_YUV444:
2043 		return 24;
2044 	case V4L2_PIX_FMT_RGB32:
2045 		return 32;
2046 	case V4L2_PIX_FMT_JPEG:
2047 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2048 	case V4L2_PIX_FMT_SBGGR8:
2049 	case V4L2_PIX_FMT_SGBRG8:
2050 	case V4L2_PIX_FMT_SGRBG8:
2051 	case V4L2_PIX_FMT_SRGGB8:
2052 		return 8;
2053 	default:
2054 		return 8 * 2;	/* raw type now */
2055 	}
2056 }
2057 
2058 bool atomisp_is_mbuscode_raw(uint32_t code)
2059 {
2060 	return code >= 0x3000 && code < 0x4000;
2061 }
2062 
2063 /*
2064  * ISP features control function
2065  */
2066 
2067 /*
2068  * Set ISP capture mode based on current settings
2069  */
2070 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2071 {
2072 	if (asd->params.gdc_cac_en)
2073 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2074 	else if (asd->params.low_light)
2075 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2076 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2077 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2078 	else
2079 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2080 }
2081 
2082 /* ISP2401 */
2083 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2084 			       struct atomisp_s_runmode *runmode)
2085 {
2086 	struct atomisp_device *isp = asd->isp;
2087 	struct v4l2_ctrl *c;
2088 	int ret = 0;
2089 
2090 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2091 		return -EINVAL;
2092 
2093 	mutex_lock(asd->ctrl_handler.lock);
2094 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2095 			   V4L2_CID_RUN_MODE);
2096 
2097 	if (c)
2098 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2099 
2100 	mutex_unlock(asd->ctrl_handler.lock);
2101 	return ret;
2102 }
2103 
2104 /*
2105  * Function to enable/disable lens geometry distortion correction (GDC) and
2106  * chromatic aberration correction (CAC)
2107  */
2108 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2109 		    __s32 *value)
2110 {
2111 	if (flag == 0) {
2112 		*value = asd->params.gdc_cac_en;
2113 		return 0;
2114 	}
2115 
2116 	asd->params.gdc_cac_en = !!*value;
2117 	if (asd->params.gdc_cac_en) {
2118 		asd->params.config.morph_table = asd->params.css_param.morph_table;
2119 	} else {
2120 		asd->params.config.morph_table = NULL;
2121 	}
2122 	asd->params.css_update_params_needed = true;
2123 	atomisp_update_capture_mode(asd);
2124 	return 0;
2125 }
2126 
2127 /*
2128  * Function to enable/disable low light mode including ANR
2129  */
2130 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2131 		      __s32 *value)
2132 {
2133 	if (flag == 0) {
2134 		*value = asd->params.low_light;
2135 		return 0;
2136 	}
2137 
2138 	asd->params.low_light = (*value != 0);
2139 	atomisp_update_capture_mode(asd);
2140 	return 0;
2141 }
2142 
2143 /*
2144  * Function to enable/disable extra noise reduction (XNR) in low light
2145  * condition
2146  */
2147 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2148 		int *xnr_enable)
2149 {
2150 	if (flag == 0) {
2151 		*xnr_enable = asd->params.xnr_en;
2152 		return 0;
2153 	}
2154 
2155 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2156 
2157 	return 0;
2158 }
2159 
2160 /*
2161  * Function to configure bayer noise reduction
2162  */
2163 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2164 	       struct atomisp_nr_config *arg)
2165 {
2166 	if (flag == 0) {
2167 		/* Get nr config from current setup */
2168 		if (atomisp_css_get_nr_config(asd, arg))
2169 			return -EINVAL;
2170 	} else {
2171 		/* Set nr config to isp parameters */
2172 		memcpy(&asd->params.css_param.nr_config, arg,
2173 		       sizeof(struct ia_css_nr_config));
2174 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
2175 		asd->params.css_update_params_needed = true;
2176 	}
2177 	return 0;
2178 }
2179 
2180 /*
2181  * Function to configure temporal noise reduction (TNR)
2182  */
2183 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2184 		struct atomisp_tnr_config *config)
2185 {
2186 	/* Get tnr config from current setup */
2187 	if (flag == 0) {
2188 		/* Get tnr config from current setup */
2189 		if (atomisp_css_get_tnr_config(asd, config))
2190 			return -EINVAL;
2191 	} else {
2192 		/* Set tnr config to isp parameters */
2193 		memcpy(&asd->params.css_param.tnr_config, config,
2194 		       sizeof(struct ia_css_tnr_config));
2195 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2196 		asd->params.css_update_params_needed = true;
2197 	}
2198 
2199 	return 0;
2200 }
2201 
2202 /*
2203  * Function to configure black level compensation
2204  */
2205 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2206 			struct atomisp_ob_config *config)
2207 {
2208 	if (flag == 0) {
2209 		/* Get ob config from current setup */
2210 		if (atomisp_css_get_ob_config(asd, config))
2211 			return -EINVAL;
2212 	} else {
2213 		/* Set ob config to isp parameters */
2214 		memcpy(&asd->params.css_param.ob_config, config,
2215 		       sizeof(struct ia_css_ob_config));
2216 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
2217 		asd->params.css_update_params_needed = true;
2218 	}
2219 
2220 	return 0;
2221 }
2222 
2223 /*
2224  * Function to configure edge enhancement
2225  */
2226 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2227 	       struct atomisp_ee_config *config)
2228 {
2229 	if (flag == 0) {
2230 		/* Get ee config from current setup */
2231 		if (atomisp_css_get_ee_config(asd, config))
2232 			return -EINVAL;
2233 	} else {
2234 		/* Set ee config to isp parameters */
2235 		memcpy(&asd->params.css_param.ee_config, config,
2236 		       sizeof(asd->params.css_param.ee_config));
2237 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
2238 		asd->params.css_update_params_needed = true;
2239 	}
2240 
2241 	return 0;
2242 }
2243 
2244 /*
2245  * Function to update Gamma table for gamma, brightness and contrast config
2246  */
2247 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2248 		  struct atomisp_gamma_table *config)
2249 {
2250 	if (flag == 0) {
2251 		/* Get gamma table from current setup */
2252 		if (atomisp_css_get_gamma_table(asd, config))
2253 			return -EINVAL;
2254 	} else {
2255 		/* Set gamma table to isp parameters */
2256 		memcpy(&asd->params.css_param.gamma_table, config,
2257 		       sizeof(asd->params.css_param.gamma_table));
2258 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2259 	}
2260 
2261 	return 0;
2262 }
2263 
2264 /*
2265  * Function to update Ctc table for Chroma Enhancement
2266  */
2267 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2268 		struct atomisp_ctc_table *config)
2269 {
2270 	if (flag == 0) {
2271 		/* Get ctc table from current setup */
2272 		if (atomisp_css_get_ctc_table(asd, config))
2273 			return -EINVAL;
2274 	} else {
2275 		/* Set ctc table to isp parameters */
2276 		memcpy(&asd->params.css_param.ctc_table, config,
2277 		       sizeof(asd->params.css_param.ctc_table));
2278 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2279 	}
2280 
2281 	return 0;
2282 }
2283 
2284 /*
2285  * Function to update gamma correction parameters
2286  */
2287 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2288 			     struct atomisp_gc_config *config)
2289 {
2290 	if (flag == 0) {
2291 		/* Get gamma correction params from current setup */
2292 		if (atomisp_css_get_gc_config(asd, config))
2293 			return -EINVAL;
2294 	} else {
2295 		/* Set gamma correction params to isp parameters */
2296 		memcpy(&asd->params.css_param.gc_config, config,
2297 		       sizeof(asd->params.css_param.gc_config));
2298 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
2299 		asd->params.css_update_params_needed = true;
2300 	}
2301 
2302 	return 0;
2303 }
2304 
2305 /*
2306  * Function to update narrow gamma flag
2307  */
2308 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2309 		    struct atomisp_formats_config *config)
2310 {
2311 	if (flag == 0) {
2312 		/* Get narrow gamma flag from current setup */
2313 		if (atomisp_css_get_formats_config(asd, config))
2314 			return -EINVAL;
2315 	} else {
2316 		/* Set narrow gamma flag to isp parameters */
2317 		memcpy(&asd->params.css_param.formats_config, config,
2318 		       sizeof(asd->params.css_param.formats_config));
2319 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
2320 	}
2321 
2322 	return 0;
2323 }
2324 
2325 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2326 {
2327 	atomisp_free_css_parameters(&asd->params.css_param);
2328 
2329 	if (asd->raw_output_frame) {
2330 		ia_css_frame_free(asd->raw_output_frame);
2331 		asd->raw_output_frame = NULL;
2332 	}
2333 }
2334 
2335 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2336 				     enum ia_css_pipe_id pipe_id,
2337 				     int source_pad)
2338 {
2339 	struct atomisp_device *isp = asd->isp;
2340 	int err;
2341 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2342 
2343 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2344 		return;
2345 
2346 	/* We must free all buffers because they no longer match
2347 	   the grid size. */
2348 	atomisp_css_free_stat_buffers(asd);
2349 
2350 	err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2351 	if (err) {
2352 		dev_err(isp->dev, "stat_buf allocate error\n");
2353 		goto err;
2354 	}
2355 
2356 	if (atomisp_alloc_3a_output_buf(asd)) {
2357 		/* Failure for 3A buffers does not influence DIS buffers */
2358 		if (asd->params.s3a_output_bytes != 0) {
2359 			/* For SOC sensor happens s3a_output_bytes == 0,
2360 			 * using if condition to exclude false error log */
2361 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2362 		}
2363 		goto err;
2364 	}
2365 
2366 	if (atomisp_alloc_dis_coef_buf(asd)) {
2367 		dev_err(isp->dev,
2368 			"Failed to allocate memory for DIS statistics\n");
2369 		goto err;
2370 	}
2371 
2372 	if (atomisp_alloc_metadata_output_buf(asd)) {
2373 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2374 		goto err;
2375 	}
2376 
2377 	return;
2378 
2379 err:
2380 	atomisp_css_free_stat_buffers(asd);
2381 	return;
2382 }
2383 
2384 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2385 					struct atomisp_grid_info *info)
2386 {
2387 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2388 	       sizeof(struct ia_css_3a_grid_info));
2389 }
2390 
2391 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2392 			 struct atomisp_grid_info *atomgrid)
2393 {
2394 	struct atomisp_grid_info tmp = {0};
2395 
2396 	atomisp_curr_user_grid_info(asd, &tmp);
2397 	return memcmp(atomgrid, &tmp, sizeof(tmp));
2398 }
2399 
2400 /*
2401  * Function to update Gdc table for gdc
2402  */
2403 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2404 			  struct atomisp_morph_table *config)
2405 {
2406 	int ret;
2407 	int i;
2408 	struct atomisp_device *isp = asd->isp;
2409 
2410 	if (flag == 0) {
2411 		/* Get gdc table from current setup */
2412 		struct ia_css_morph_table tab = {0};
2413 
2414 		atomisp_css_get_morph_table(asd, &tab);
2415 
2416 		config->width = tab.width;
2417 		config->height = tab.height;
2418 
2419 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2420 			ret = copy_to_user(config->coordinates_x[i],
2421 					   tab.coordinates_x[i], tab.height *
2422 					   tab.width * sizeof(*tab.coordinates_x[i]));
2423 			if (ret) {
2424 				dev_err(isp->dev,
2425 					"Failed to copy to User for x\n");
2426 				return -EFAULT;
2427 			}
2428 			ret = copy_to_user(config->coordinates_y[i],
2429 					   tab.coordinates_y[i], tab.height *
2430 					   tab.width * sizeof(*tab.coordinates_y[i]));
2431 			if (ret) {
2432 				dev_err(isp->dev,
2433 					"Failed to copy to User for y\n");
2434 				return -EFAULT;
2435 			}
2436 		}
2437 	} else {
2438 		struct ia_css_morph_table *tab =
2439 			    asd->params.css_param.morph_table;
2440 
2441 		/* free first if we have one */
2442 		if (tab) {
2443 			atomisp_css_morph_table_free(tab);
2444 			asd->params.css_param.morph_table = NULL;
2445 		}
2446 
2447 		/* allocate new one */
2448 		tab = atomisp_css_morph_table_allocate(config->width,
2449 						       config->height);
2450 
2451 		if (!tab) {
2452 			dev_err(isp->dev, "out of memory\n");
2453 			return -EINVAL;
2454 		}
2455 
2456 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2457 			ret = copy_from_user(tab->coordinates_x[i],
2458 					     config->coordinates_x[i],
2459 					     config->height * config->width *
2460 					     sizeof(*config->coordinates_x[i]));
2461 			if (ret) {
2462 				dev_err(isp->dev,
2463 					"Failed to copy from User for x, ret %d\n",
2464 					ret);
2465 				atomisp_css_morph_table_free(tab);
2466 				return -EFAULT;
2467 			}
2468 			ret = copy_from_user(tab->coordinates_y[i],
2469 					     config->coordinates_y[i],
2470 					     config->height * config->width *
2471 					     sizeof(*config->coordinates_y[i]));
2472 			if (ret) {
2473 				dev_err(isp->dev,
2474 					"Failed to copy from User for y, ret is %d\n",
2475 					ret);
2476 				atomisp_css_morph_table_free(tab);
2477 				return -EFAULT;
2478 			}
2479 		}
2480 		asd->params.css_param.morph_table = tab;
2481 		if (asd->params.gdc_cac_en)
2482 			asd->params.config.morph_table = tab;
2483 	}
2484 
2485 	return 0;
2486 }
2487 
2488 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2489 		       struct atomisp_macc_config *config)
2490 {
2491 	struct ia_css_macc_table *macc_table;
2492 
2493 	switch (config->color_effect) {
2494 	case V4L2_COLORFX_NONE:
2495 		macc_table = &asd->params.css_param.macc_table;
2496 		break;
2497 	case V4L2_COLORFX_SKY_BLUE:
2498 		macc_table = &blue_macc_table;
2499 		break;
2500 	case V4L2_COLORFX_GRASS_GREEN:
2501 		macc_table = &green_macc_table;
2502 		break;
2503 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2504 		macc_table = &skin_low_macc_table;
2505 		break;
2506 	case V4L2_COLORFX_SKIN_WHITEN:
2507 		macc_table = &skin_medium_macc_table;
2508 		break;
2509 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2510 		macc_table = &skin_high_macc_table;
2511 		break;
2512 	default:
2513 		return -EINVAL;
2514 	}
2515 
2516 	if (flag == 0) {
2517 		/* Get macc table from current setup */
2518 		memcpy(&config->table, macc_table,
2519 		       sizeof(struct ia_css_macc_table));
2520 	} else {
2521 		memcpy(macc_table, &config->table,
2522 		       sizeof(struct ia_css_macc_table));
2523 		if (config->color_effect == asd->params.color_effect)
2524 			asd->params.config.macc_table = macc_table;
2525 	}
2526 
2527 	return 0;
2528 }
2529 
2530 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2531 			   struct atomisp_dis_vector *vector)
2532 {
2533 	atomisp_css_video_set_dis_vector(asd, vector);
2534 
2535 	asd->params.dis_proj_data_valid = false;
2536 	asd->params.css_update_params_needed = true;
2537 	return 0;
2538 }
2539 
2540 /*
2541  * Function to set/get image stablization statistics
2542  */
2543 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2544 			 struct atomisp_dis_statistics *stats)
2545 {
2546 	return atomisp_css_get_dis_stat(asd, stats);
2547 }
2548 
2549 /*
2550  * Function  set camrea_prefiles.xml current sensor pixel array size
2551  */
2552 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2553 			  struct atomisp_resolution  *config)
2554 {
2555 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2556 	if (!config) {
2557 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2558 		return -EINVAL;
2559 	}
2560 
2561 	asd->sensor_array_res.width = config->width;
2562 	asd->sensor_array_res.height = config->height;
2563 	return 0;
2564 }
2565 
2566 /*
2567  * Function to get DVS2 BQ resolution settings
2568  */
2569 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2570 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2571 {
2572 	struct ia_css_pipe_config *pipe_cfg = NULL;
2573 	struct ia_css_stream_config *stream_cfg = NULL;
2574 	struct ia_css_stream_input_config *input_config = NULL;
2575 
2576 	struct ia_css_stream *stream =
2577 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2578 	if (!stream) {
2579 		dev_warn(asd->isp->dev, "stream is not created");
2580 		return -EAGAIN;
2581 	}
2582 
2583 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2584 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2585 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2586 		     .stream_config;
2587 	input_config = &stream_cfg->input_config;
2588 
2589 	if (!bq_res)
2590 		return -EINVAL;
2591 
2592 	/* the GDC output resolution */
2593 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2594 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2595 
2596 	bq_res->envelope_bq.width_bq = 0;
2597 	bq_res->envelope_bq.height_bq = 0;
2598 	/* the GDC input resolution */
2599 	if (!asd->continuous_mode->val) {
2600 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2601 					     pipe_cfg->dvs_envelope.width / 2;
2602 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2603 					      pipe_cfg->dvs_envelope.height / 2;
2604 		/*
2605 		 * Bad pixels caused by spatial filter processing
2606 		 * ISP filter resolution should be given by CSS/FW, but for now
2607 		 * there is not such API to query, and it is fixed value, so
2608 		 * hardcoded here.
2609 		 */
2610 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2611 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2612 		/* spatial filter shift, always 4 pixels */
2613 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2614 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2615 
2616 		if (asd->params.video_dis_en) {
2617 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2618 						       / 2 - bq_res->ispfilter_bq.width_bq;
2619 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2620 							/ 2 - bq_res->ispfilter_bq.height_bq;
2621 		}
2622 	} else {
2623 		unsigned int w_padding;
2624 		unsigned int gdc_effective_input = 0;
2625 
2626 		/* For GDC:
2627 		 * gdc_effective_input = effective_input + envelope
2628 		 *
2629 		 * From the comment and formula in BZ1786,
2630 		 * we see the source_bq should be:
2631 		 * effective_input / bayer_ds_ratio
2632 		 */
2633 		bq_res->source_bq.width_bq =
2634 		    (input_config->effective_res.width *
2635 		     pipe_cfg->bayer_ds_out_res.width /
2636 		     input_config->effective_res.width + 1) / 2;
2637 		bq_res->source_bq.height_bq =
2638 		    (input_config->effective_res.height *
2639 		     pipe_cfg->bayer_ds_out_res.height /
2640 		     input_config->effective_res.height + 1) / 2;
2641 
2642 		if (!asd->params.video_dis_en) {
2643 			/*
2644 			 * We adjust the ispfilter_bq to:
2645 			 * ispfilter_bq = 128/BDS
2646 			 * we still need firmware team to provide an offical
2647 			 * formula for SDV.
2648 			 */
2649 			bq_res->ispfilter_bq.width_bq = 128 *
2650 							pipe_cfg->bayer_ds_out_res.width /
2651 							input_config->effective_res.width / 2;
2652 			bq_res->ispfilter_bq.height_bq = 128 *
2653 							 pipe_cfg->bayer_ds_out_res.width /
2654 							 input_config->effective_res.width / 2;
2655 
2656 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2657 				/* No additional left padding for ISYS2401 */
2658 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2659 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2660 			} else {
2661 				/*
2662 				 * For the w_padding and gdc_shift_bq cacluation
2663 				 * Please see the BZ 1786 and 4358 for more info.
2664 				 * Just test that this formula can work now,
2665 				 * but we still have no offical formula.
2666 				 *
2667 				 * w_padding = ceiling(gdc_effective_input
2668 				 *             /128, 1) * 128 - effective_width
2669 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2670 				 */
2671 				gdc_effective_input =
2672 				    input_config->effective_res.width +
2673 				    pipe_cfg->dvs_envelope.width;
2674 				w_padding = roundup(gdc_effective_input, 128) -
2675 					    input_config->effective_res.width;
2676 				w_padding = w_padding *
2677 					    pipe_cfg->bayer_ds_out_res.width /
2678 					    input_config->effective_res.width + 1;
2679 				w_padding = roundup(w_padding / 2, 1);
2680 
2681 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2682 								+ w_padding;
2683 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2684 			}
2685 		} else {
2686 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2687 
2688 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2689 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2690 
2691 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2692 				/* No additional left padding for ISYS2401 */
2693 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2694 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2695 			} else {
2696 				w_padding =
2697 				    roundup(input_config->effective_res.width, 128) -
2698 				    input_config->effective_res.width;
2699 				if (w_padding < 12)
2700 					w_padding = 12;
2701 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2702 								((w_padding - 12) *
2703 								 pipe_cfg->bayer_ds_out_res.width /
2704 								 input_config->effective_res.width + 1) / 2;
2705 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2706 			}
2707 
2708 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2709 				pipe_cfg->output_info[0].res.width;
2710 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2711 				pipe_cfg->output_info[0].res.height;
2712 			dvs_w_max = rounddown(
2713 					pipe_cfg->output_info[0].res.width / 5,
2714 					ATOM_ISP_STEP_WIDTH);
2715 			dvs_h_max = rounddown(
2716 					pipe_cfg->output_info[0].res.height / 5,
2717 					ATOM_ISP_STEP_HEIGHT);
2718 			bq_res->envelope_bq.width_bq =
2719 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2720 			    bq_res->ispfilter_bq.width_bq;
2721 			bq_res->envelope_bq.height_bq =
2722 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2723 			    bq_res->ispfilter_bq.height_bq;
2724 		}
2725 	}
2726 
2727 	dev_dbg(asd->isp->dev,
2728 		"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",
2729 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2730 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2731 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2732 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2733 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2734 
2735 	return 0;
2736 }
2737 
2738 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2739 			  struct atomisp_dis_coefficients *coefs)
2740 {
2741 	return atomisp_css_set_dis_coefs(asd, coefs);
2742 }
2743 
2744 /*
2745  * Function to set/get 3A stat from isp
2746  */
2747 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2748 		    struct atomisp_3a_statistics *config)
2749 {
2750 	struct atomisp_device *isp = asd->isp;
2751 	struct atomisp_s3a_buf *s3a_buf;
2752 	unsigned long ret;
2753 
2754 	if (flag != 0)
2755 		return -EINVAL;
2756 
2757 	/* sanity check to avoid writing into unallocated memory. */
2758 	if (asd->params.s3a_output_bytes == 0)
2759 		return -EINVAL;
2760 
2761 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2762 		/* If the grid info in the argument differs from the current
2763 		   grid info, we tell the caller to reset the grid size and
2764 		   try again. */
2765 		return -EAGAIN;
2766 	}
2767 
2768 	if (list_empty(&asd->s3a_stats_ready)) {
2769 		dev_err(isp->dev, "3a statistics is not valid.\n");
2770 		return -EAGAIN;
2771 	}
2772 
2773 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2774 			     struct atomisp_s3a_buf, list);
2775 	if (s3a_buf->s3a_map)
2776 		ia_css_translate_3a_statistics(
2777 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2778 	else
2779 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2780 					 s3a_buf->s3a_data);
2781 
2782 	config->exp_id = s3a_buf->s3a_data->exp_id;
2783 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2784 
2785 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2786 			   asd->params.s3a_output_bytes);
2787 	if (ret) {
2788 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2789 			ret);
2790 		return -EFAULT;
2791 	}
2792 
2793 	/* Move to free buffer list */
2794 	list_del_init(&s3a_buf->list);
2795 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2796 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2797 		__func__,
2798 		config->exp_id, config->isp_config_id);
2799 	return 0;
2800 }
2801 
2802 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2803 			 struct atomisp_metadata *md)
2804 {
2805 	struct atomisp_device *isp = asd->isp;
2806 	struct ia_css_stream_config *stream_config;
2807 	struct ia_css_stream_info *stream_info;
2808 	struct camera_mipi_info *mipi_info;
2809 	struct atomisp_metadata_buf *md_buf;
2810 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2811 	int ret, i;
2812 
2813 	if (flag != 0)
2814 		return -EINVAL;
2815 
2816 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2817 			stream_config;
2818 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2819 		      stream_info;
2820 
2821 	/* We always return the resolution and stride even if there is
2822 	 * no valid metadata. This allows the caller to get the information
2823 	 * needed to allocate user-space buffers. */
2824 	md->width  = stream_info->metadata_info.resolution.width;
2825 	md->height = stream_info->metadata_info.resolution.height;
2826 	md->stride = stream_info->metadata_info.stride;
2827 
2828 	/* sanity check to avoid writing into unallocated memory.
2829 	 * This does not return an error because it is a valid way
2830 	 * for applications to detect that metadata is not enabled. */
2831 	if (md->width == 0 || md->height == 0 || !md->data)
2832 		return 0;
2833 
2834 	/* This is done in the atomisp_buf_done() */
2835 	if (list_empty(&asd->metadata_ready[md_type])) {
2836 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2837 		return -EAGAIN;
2838 	}
2839 
2840 	mipi_info = atomisp_to_sensor_mipi_info(
2841 			isp->inputs[asd->input_curr].camera);
2842 	if (!mipi_info)
2843 		return -EINVAL;
2844 
2845 	if (mipi_info->metadata_effective_width) {
2846 		for (i = 0; i < md->height; i++)
2847 			md->effective_width[i] =
2848 			    mipi_info->metadata_effective_width[i];
2849 	}
2850 
2851 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2852 			    struct atomisp_metadata_buf, list);
2853 	md->exp_id = md_buf->metadata->exp_id;
2854 	if (md_buf->md_vptr) {
2855 		ret = copy_to_user(md->data,
2856 				   md_buf->md_vptr,
2857 				   stream_info->metadata_info.size);
2858 	} else {
2859 		hmm_load(md_buf->metadata->address,
2860 			 asd->params.metadata_user[md_type],
2861 			 stream_info->metadata_info.size);
2862 
2863 		ret = copy_to_user(md->data,
2864 				   asd->params.metadata_user[md_type],
2865 				   stream_info->metadata_info.size);
2866 	}
2867 	if (ret) {
2868 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2869 			ret);
2870 		return -EFAULT;
2871 	}
2872 
2873 	list_del_init(&md_buf->list);
2874 	list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2875 
2876 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2877 		__func__, md_type, md->exp_id);
2878 	return 0;
2879 }
2880 
2881 int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
2882 				 struct atomisp_metadata_with_type *md)
2883 {
2884 	struct atomisp_device *isp = asd->isp;
2885 	struct ia_css_stream_config *stream_config;
2886 	struct ia_css_stream_info *stream_info;
2887 	struct camera_mipi_info *mipi_info;
2888 	struct atomisp_metadata_buf *md_buf;
2889 	enum atomisp_metadata_type md_type;
2890 	int ret, i;
2891 
2892 	if (flag != 0)
2893 		return -EINVAL;
2894 
2895 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2896 			stream_config;
2897 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2898 		      stream_info;
2899 
2900 	/* We always return the resolution and stride even if there is
2901 	 * no valid metadata. This allows the caller to get the information
2902 	 * needed to allocate user-space buffers. */
2903 	md->width  = stream_info->metadata_info.resolution.width;
2904 	md->height = stream_info->metadata_info.resolution.height;
2905 	md->stride = stream_info->metadata_info.stride;
2906 
2907 	/* sanity check to avoid writing into unallocated memory.
2908 	 * This does not return an error because it is a valid way
2909 	 * for applications to detect that metadata is not enabled. */
2910 	if (md->width == 0 || md->height == 0 || !md->data)
2911 		return 0;
2912 
2913 	md_type = md->type;
2914 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2915 		return -EINVAL;
2916 
2917 	/* This is done in the atomisp_buf_done() */
2918 	if (list_empty(&asd->metadata_ready[md_type])) {
2919 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2920 		return -EAGAIN;
2921 	}
2922 
2923 	mipi_info = atomisp_to_sensor_mipi_info(
2924 			isp->inputs[asd->input_curr].camera);
2925 	if (!mipi_info)
2926 		return -EINVAL;
2927 
2928 	if (mipi_info->metadata_effective_width) {
2929 		for (i = 0; i < md->height; i++)
2930 			md->effective_width[i] =
2931 			    mipi_info->metadata_effective_width[i];
2932 	}
2933 
2934 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2935 			    struct atomisp_metadata_buf, list);
2936 	md->exp_id = md_buf->metadata->exp_id;
2937 	if (md_buf->md_vptr) {
2938 		ret = copy_to_user(md->data,
2939 				   md_buf->md_vptr,
2940 				   stream_info->metadata_info.size);
2941 	} else {
2942 		hmm_load(md_buf->metadata->address,
2943 			 asd->params.metadata_user[md_type],
2944 			 stream_info->metadata_info.size);
2945 
2946 		ret = copy_to_user(md->data,
2947 				   asd->params.metadata_user[md_type],
2948 				   stream_info->metadata_info.size);
2949 	}
2950 	if (ret) {
2951 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2952 			ret);
2953 		return -EFAULT;
2954 	} else {
2955 		list_del_init(&md_buf->list);
2956 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2957 	}
2958 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2959 		__func__, md_type, md->exp_id);
2960 	return 0;
2961 }
2962 
2963 /*
2964  * Function to calculate real zoom region for every pipe
2965  */
2966 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2967 				       struct ia_css_dz_config   *dz_config,
2968 				       enum ia_css_pipe_id css_pipe_id)
2969 
2970 {
2971 	struct atomisp_stream_env *stream_env =
2972 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2973 	struct atomisp_resolution  eff_res, out_res;
2974 	int w_offset, h_offset;
2975 
2976 	memset(&eff_res, 0, sizeof(eff_res));
2977 	memset(&out_res, 0, sizeof(out_res));
2978 
2979 	if (dz_config->dx || dz_config->dy)
2980 		return 0;
2981 
2982 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2983 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2984 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2985 			, __func__);
2986 		return -EINVAL;
2987 	}
2988 
2989 	eff_res.width =
2990 	    stream_env->stream_config.input_config.effective_res.width;
2991 	eff_res.height =
2992 	    stream_env->stream_config.input_config.effective_res.height;
2993 	if (eff_res.width == 0 || eff_res.height == 0) {
2994 		dev_err(asd->isp->dev, "%s err effective resolution"
2995 			, __func__);
2996 		return -EINVAL;
2997 	}
2998 
2999 	if (dz_config->zoom_region.resolution.width
3000 	    == asd->sensor_array_res.width
3001 	    || dz_config->zoom_region.resolution.height
3002 	    == asd->sensor_array_res.height) {
3003 		/*no need crop region*/
3004 		dz_config->zoom_region.origin.x = 0;
3005 		dz_config->zoom_region.origin.y = 0;
3006 		dz_config->zoom_region.resolution.width = eff_res.width;
3007 		dz_config->zoom_region.resolution.height = eff_res.height;
3008 		return 0;
3009 	}
3010 
3011 	/* FIXME:
3012 	 * This is not the correct implementation with Google's definition, due
3013 	 * to firmware limitation.
3014 	 * map real crop region base on above calculating base max crop region.
3015 	 */
3016 
3017 	if (!atomisp_hw_is_isp2401) {
3018 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3019 						  * eff_res.width
3020 						  / asd->sensor_array_res.width;
3021 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3022 						  * eff_res.height
3023 						  / asd->sensor_array_res.height;
3024 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3025 							  * eff_res.width
3026 							  / asd->sensor_array_res.width;
3027 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3028 							  * eff_res.height
3029 							  / asd->sensor_array_res.height;
3030 		/*
3031 		 * Set same ratio of crop region resolution and current pipe output
3032 		 * resolution
3033 		 */
3034 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3035 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3036 		if (out_res.width == 0 || out_res.height == 0) {
3037 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3038 				, __func__);
3039 			return -EINVAL;
3040 		}
3041 	} else {
3042 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3043 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3044 		if (out_res.width == 0 || out_res.height == 0) {
3045 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3046 				, __func__);
3047 			return -EINVAL;
3048 		}
3049 
3050 		if (asd->sensor_array_res.width * out_res.height
3051 		    < out_res.width * asd->sensor_array_res.height) {
3052 			h_offset = asd->sensor_array_res.height
3053 				   - asd->sensor_array_res.width
3054 				   * out_res.height / out_res.width;
3055 			h_offset = h_offset / 2;
3056 			if (dz_config->zoom_region.origin.y < h_offset)
3057 				dz_config->zoom_region.origin.y = 0;
3058 			else
3059 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3060 			w_offset = 0;
3061 		} else {
3062 			w_offset = asd->sensor_array_res.width
3063 				   - asd->sensor_array_res.height
3064 				   * out_res.width / out_res.height;
3065 			w_offset = w_offset / 2;
3066 			if (dz_config->zoom_region.origin.x < w_offset)
3067 				dz_config->zoom_region.origin.x = 0;
3068 			else
3069 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3070 			h_offset = 0;
3071 		}
3072 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3073 						  * eff_res.width
3074 						  / (asd->sensor_array_res.width - 2 * w_offset);
3075 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3076 						  * eff_res.height
3077 						  / (asd->sensor_array_res.height - 2 * h_offset);
3078 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3079 						  * eff_res.width
3080 						  / (asd->sensor_array_res.width - 2 * w_offset);
3081 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3082 						  * eff_res.height
3083 						  / (asd->sensor_array_res.height - 2 * h_offset);
3084 	}
3085 
3086 	if (out_res.width * dz_config->zoom_region.resolution.height
3087 	    > dz_config->zoom_region.resolution.width * out_res.height) {
3088 		dz_config->zoom_region.resolution.height =
3089 		    dz_config->zoom_region.resolution.width
3090 		    * out_res.height / out_res.width;
3091 	} else {
3092 		dz_config->zoom_region.resolution.width =
3093 		    dz_config->zoom_region.resolution.height
3094 		    * out_res.width / out_res.height;
3095 	}
3096 	dev_dbg(asd->isp->dev,
3097 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3098 		__func__, dz_config->zoom_region.origin.x,
3099 		dz_config->zoom_region.origin.y,
3100 		dz_config->zoom_region.resolution.width,
3101 		dz_config->zoom_region.resolution.height,
3102 		eff_res.width, eff_res.height,
3103 		asd->sensor_array_res.width,
3104 		asd->sensor_array_res.height,
3105 		out_res.width, out_res.height);
3106 
3107 	if ((dz_config->zoom_region.origin.x +
3108 	     dz_config->zoom_region.resolution.width
3109 	     > eff_res.width) ||
3110 	    (dz_config->zoom_region.origin.y +
3111 	     dz_config->zoom_region.resolution.height
3112 	     > eff_res.height))
3113 		return -EINVAL;
3114 
3115 	return 0;
3116 }
3117 
3118 /*
3119  * Function to check the zoom region whether is effective
3120  */
3121 static bool atomisp_check_zoom_region(
3122     struct atomisp_sub_device *asd,
3123     struct ia_css_dz_config *dz_config)
3124 {
3125 	struct atomisp_resolution  config;
3126 	bool flag = false;
3127 	unsigned int w, h;
3128 
3129 	memset(&config, 0, sizeof(struct atomisp_resolution));
3130 
3131 	if (dz_config->dx && dz_config->dy)
3132 		return true;
3133 
3134 	config.width = asd->sensor_array_res.width;
3135 	config.height = asd->sensor_array_res.height;
3136 	w = dz_config->zoom_region.origin.x +
3137 	    dz_config->zoom_region.resolution.width;
3138 	h = dz_config->zoom_region.origin.y +
3139 	    dz_config->zoom_region.resolution.height;
3140 
3141 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3142 		flag = true;
3143 	else
3144 		/* setting error zoom region */
3145 		dev_err(asd->isp->dev,
3146 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3147 			__func__, dz_config->zoom_region.origin.x,
3148 			dz_config->zoom_region.origin.y,
3149 			dz_config->zoom_region.resolution.width,
3150 			dz_config->zoom_region.resolution.height,
3151 			config.width, config.height);
3152 
3153 	return flag;
3154 }
3155 
3156 void atomisp_apply_css_parameters(
3157     struct atomisp_sub_device *asd,
3158     struct atomisp_css_params *css_param)
3159 {
3160 	if (css_param->update_flag.wb_config)
3161 		asd->params.config.wb_config = &css_param->wb_config;
3162 
3163 	if (css_param->update_flag.ob_config)
3164 		asd->params.config.ob_config = &css_param->ob_config;
3165 
3166 	if (css_param->update_flag.dp_config)
3167 		asd->params.config.dp_config = &css_param->dp_config;
3168 
3169 	if (css_param->update_flag.nr_config)
3170 		asd->params.config.nr_config = &css_param->nr_config;
3171 
3172 	if (css_param->update_flag.ee_config)
3173 		asd->params.config.ee_config = &css_param->ee_config;
3174 
3175 	if (css_param->update_flag.tnr_config)
3176 		asd->params.config.tnr_config = &css_param->tnr_config;
3177 
3178 	if (css_param->update_flag.a3a_config)
3179 		asd->params.config.s3a_config = &css_param->s3a_config;
3180 
3181 	if (css_param->update_flag.ctc_config)
3182 		asd->params.config.ctc_config = &css_param->ctc_config;
3183 
3184 	if (css_param->update_flag.cnr_config)
3185 		asd->params.config.cnr_config = &css_param->cnr_config;
3186 
3187 	if (css_param->update_flag.ecd_config)
3188 		asd->params.config.ecd_config = &css_param->ecd_config;
3189 
3190 	if (css_param->update_flag.ynr_config)
3191 		asd->params.config.ynr_config = &css_param->ynr_config;
3192 
3193 	if (css_param->update_flag.fc_config)
3194 		asd->params.config.fc_config = &css_param->fc_config;
3195 
3196 	if (css_param->update_flag.macc_config)
3197 		asd->params.config.macc_config = &css_param->macc_config;
3198 
3199 	if (css_param->update_flag.aa_config)
3200 		asd->params.config.aa_config = &css_param->aa_config;
3201 
3202 	if (css_param->update_flag.anr_config)
3203 		asd->params.config.anr_config = &css_param->anr_config;
3204 
3205 	if (css_param->update_flag.xnr_config)
3206 		asd->params.config.xnr_config = &css_param->xnr_config;
3207 
3208 	if (css_param->update_flag.yuv2rgb_cc_config)
3209 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3210 
3211 	if (css_param->update_flag.rgb2yuv_cc_config)
3212 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3213 
3214 	if (css_param->update_flag.macc_table)
3215 		asd->params.config.macc_table = &css_param->macc_table;
3216 
3217 	if (css_param->update_flag.xnr_table)
3218 		asd->params.config.xnr_table = &css_param->xnr_table;
3219 
3220 	if (css_param->update_flag.r_gamma_table)
3221 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3222 
3223 	if (css_param->update_flag.g_gamma_table)
3224 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3225 
3226 	if (css_param->update_flag.b_gamma_table)
3227 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3228 
3229 	if (css_param->update_flag.anr_thres)
3230 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3231 
3232 	if (css_param->update_flag.shading_table)
3233 		asd->params.config.shading_table = css_param->shading_table;
3234 
3235 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3236 		asd->params.config.morph_table = css_param->morph_table;
3237 
3238 	if (css_param->update_flag.dvs2_coefs) {
3239 		struct ia_css_dvs_grid_info *dvs_grid_info =
3240 		    atomisp_css_get_dvs_grid_info(
3241 			&asd->params.curr_grid_info);
3242 
3243 		if (dvs_grid_info && dvs_grid_info->enable)
3244 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3245 	}
3246 
3247 	if (css_param->update_flag.dvs_6axis_config)
3248 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3249 
3250 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3251 	/*
3252 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3253 	 * so do not handle them. see comments of ia_css_isp_config.
3254 	 * 1 cc_config
3255 	 * 2 ce_config
3256 	 * 3 de_config
3257 	 * 4 gc_config
3258 	 * 5 gamma_table
3259 	 * 6 ctc_table
3260 	 * 7 dvs_coefs
3261 	 */
3262 }
3263 
3264 static unsigned int long copy_from_compatible(void *to, const void *from,
3265 	unsigned long n, bool from_user)
3266 {
3267 	if (from_user)
3268 		return copy_from_user(to, (void __user *)from, n);
3269 	else
3270 		memcpy(to, from, n);
3271 	return 0;
3272 }
3273 
3274 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3275 				      struct atomisp_parameters *arg,
3276 				      struct atomisp_css_params *css_param,
3277 				      bool from_user)
3278 {
3279 	struct atomisp_parameters *cur_config = &css_param->update_flag;
3280 
3281 	if (!arg || !asd || !css_param)
3282 		return -EINVAL;
3283 
3284 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3285 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3286 					 sizeof(struct ia_css_wb_config),
3287 					 from_user))
3288 			return -EFAULT;
3289 		css_param->update_flag.wb_config =
3290 		    (struct atomisp_wb_config *)&css_param->wb_config;
3291 	}
3292 
3293 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3294 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3295 					 sizeof(struct ia_css_ob_config),
3296 					 from_user))
3297 			return -EFAULT;
3298 		css_param->update_flag.ob_config =
3299 		    (struct atomisp_ob_config *)&css_param->ob_config;
3300 	}
3301 
3302 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3303 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3304 					 sizeof(struct ia_css_dp_config),
3305 					 from_user))
3306 			return -EFAULT;
3307 		css_param->update_flag.dp_config =
3308 		    (struct atomisp_dp_config *)&css_param->dp_config;
3309 	}
3310 
3311 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3312 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3313 			if (copy_from_compatible(&css_param->dz_config,
3314 						 arg->dz_config,
3315 						 sizeof(struct ia_css_dz_config),
3316 						 from_user))
3317 				return -EFAULT;
3318 			if (!atomisp_check_zoom_region(asd,
3319 						       &css_param->dz_config)) {
3320 				dev_err(asd->isp->dev, "crop region error!");
3321 				return -EINVAL;
3322 			}
3323 			css_param->update_flag.dz_config =
3324 			    (struct atomisp_dz_config *)
3325 			    &css_param->dz_config;
3326 		}
3327 	}
3328 
3329 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3330 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3331 					 sizeof(struct ia_css_nr_config),
3332 					 from_user))
3333 			return -EFAULT;
3334 		css_param->update_flag.nr_config =
3335 		    (struct atomisp_nr_config *)&css_param->nr_config;
3336 	}
3337 
3338 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3339 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3340 					 sizeof(struct ia_css_ee_config),
3341 					 from_user))
3342 			return -EFAULT;
3343 		css_param->update_flag.ee_config =
3344 		    (struct atomisp_ee_config *)&css_param->ee_config;
3345 	}
3346 
3347 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3348 		if (copy_from_compatible(&css_param->tnr_config,
3349 					 arg->tnr_config,
3350 					 sizeof(struct ia_css_tnr_config),
3351 					 from_user))
3352 			return -EFAULT;
3353 		css_param->update_flag.tnr_config =
3354 		    (struct atomisp_tnr_config *)
3355 		    &css_param->tnr_config;
3356 	}
3357 
3358 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3359 		if (copy_from_compatible(&css_param->s3a_config,
3360 					 arg->a3a_config,
3361 					 sizeof(struct ia_css_3a_config),
3362 					 from_user))
3363 			return -EFAULT;
3364 		css_param->update_flag.a3a_config =
3365 		    (struct atomisp_3a_config *)&css_param->s3a_config;
3366 	}
3367 
3368 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3369 		if (copy_from_compatible(&css_param->ctc_config,
3370 					 arg->ctc_config,
3371 					 sizeof(struct ia_css_ctc_config),
3372 					 from_user))
3373 			return -EFAULT;
3374 		css_param->update_flag.ctc_config =
3375 		    (struct atomisp_ctc_config *)
3376 		    &css_param->ctc_config;
3377 	}
3378 
3379 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3380 		if (copy_from_compatible(&css_param->cnr_config,
3381 					 arg->cnr_config,
3382 					 sizeof(struct ia_css_cnr_config),
3383 					 from_user))
3384 			return -EFAULT;
3385 		css_param->update_flag.cnr_config =
3386 		    (struct atomisp_cnr_config *)
3387 		    &css_param->cnr_config;
3388 	}
3389 
3390 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3391 		if (copy_from_compatible(&css_param->ecd_config,
3392 					 arg->ecd_config,
3393 					 sizeof(struct ia_css_ecd_config),
3394 					 from_user))
3395 			return -EFAULT;
3396 		css_param->update_flag.ecd_config =
3397 		    (struct atomisp_ecd_config *)
3398 		    &css_param->ecd_config;
3399 	}
3400 
3401 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3402 		if (copy_from_compatible(&css_param->ynr_config,
3403 					 arg->ynr_config,
3404 					 sizeof(struct ia_css_ynr_config),
3405 					 from_user))
3406 			return -EFAULT;
3407 		css_param->update_flag.ynr_config =
3408 		    (struct atomisp_ynr_config *)
3409 		    &css_param->ynr_config;
3410 	}
3411 
3412 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3413 		if (copy_from_compatible(&css_param->fc_config,
3414 					 arg->fc_config,
3415 					 sizeof(struct ia_css_fc_config),
3416 					 from_user))
3417 			return -EFAULT;
3418 		css_param->update_flag.fc_config =
3419 		    (struct atomisp_fc_config *)&css_param->fc_config;
3420 	}
3421 
3422 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3423 		if (copy_from_compatible(&css_param->macc_config,
3424 					 arg->macc_config,
3425 					 sizeof(struct ia_css_macc_config),
3426 					 from_user))
3427 			return -EFAULT;
3428 		css_param->update_flag.macc_config =
3429 		    (struct atomisp_macc_config *)
3430 		    &css_param->macc_config;
3431 	}
3432 
3433 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3434 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3435 					 sizeof(struct ia_css_aa_config),
3436 					 from_user))
3437 			return -EFAULT;
3438 		css_param->update_flag.aa_config =
3439 		    (struct atomisp_aa_config *)&css_param->aa_config;
3440 	}
3441 
3442 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3443 		if (copy_from_compatible(&css_param->anr_config,
3444 					 arg->anr_config,
3445 					 sizeof(struct ia_css_anr_config),
3446 					 from_user))
3447 			return -EFAULT;
3448 		css_param->update_flag.anr_config =
3449 		    (struct atomisp_anr_config *)
3450 		    &css_param->anr_config;
3451 	}
3452 
3453 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3454 		if (copy_from_compatible(&css_param->xnr_config,
3455 					 arg->xnr_config,
3456 					 sizeof(struct ia_css_xnr_config),
3457 					 from_user))
3458 			return -EFAULT;
3459 		css_param->update_flag.xnr_config =
3460 		    (struct atomisp_xnr_config *)
3461 		    &css_param->xnr_config;
3462 	}
3463 
3464 	if (arg->yuv2rgb_cc_config &&
3465 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3466 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3467 					 arg->yuv2rgb_cc_config,
3468 					 sizeof(struct ia_css_cc_config),
3469 					 from_user))
3470 			return -EFAULT;
3471 		css_param->update_flag.yuv2rgb_cc_config =
3472 		    (struct atomisp_cc_config *)
3473 		    &css_param->yuv2rgb_cc_config;
3474 	}
3475 
3476 	if (arg->rgb2yuv_cc_config &&
3477 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3478 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3479 					 arg->rgb2yuv_cc_config,
3480 					 sizeof(struct ia_css_cc_config),
3481 					 from_user))
3482 			return -EFAULT;
3483 		css_param->update_flag.rgb2yuv_cc_config =
3484 		    (struct atomisp_cc_config *)
3485 		    &css_param->rgb2yuv_cc_config;
3486 	}
3487 
3488 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3489 		if (copy_from_compatible(&css_param->macc_table,
3490 					 arg->macc_table,
3491 					 sizeof(struct ia_css_macc_table),
3492 					 from_user))
3493 			return -EFAULT;
3494 		css_param->update_flag.macc_table =
3495 		    (struct atomisp_macc_table *)
3496 		    &css_param->macc_table;
3497 	}
3498 
3499 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3500 		if (copy_from_compatible(&css_param->xnr_table,
3501 					 arg->xnr_table,
3502 					 sizeof(struct ia_css_xnr_table),
3503 					 from_user))
3504 			return -EFAULT;
3505 		css_param->update_flag.xnr_table =
3506 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3507 	}
3508 
3509 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3510 		if (copy_from_compatible(&css_param->r_gamma_table,
3511 					 arg->r_gamma_table,
3512 					 sizeof(struct ia_css_rgb_gamma_table),
3513 					 from_user))
3514 			return -EFAULT;
3515 		css_param->update_flag.r_gamma_table =
3516 		    (struct atomisp_rgb_gamma_table *)
3517 		    &css_param->r_gamma_table;
3518 	}
3519 
3520 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3521 		if (copy_from_compatible(&css_param->g_gamma_table,
3522 					 arg->g_gamma_table,
3523 					 sizeof(struct ia_css_rgb_gamma_table),
3524 					 from_user))
3525 			return -EFAULT;
3526 		css_param->update_flag.g_gamma_table =
3527 		    (struct atomisp_rgb_gamma_table *)
3528 		    &css_param->g_gamma_table;
3529 	}
3530 
3531 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3532 		if (copy_from_compatible(&css_param->b_gamma_table,
3533 					 arg->b_gamma_table,
3534 					 sizeof(struct ia_css_rgb_gamma_table),
3535 					 from_user))
3536 			return -EFAULT;
3537 		css_param->update_flag.b_gamma_table =
3538 		    (struct atomisp_rgb_gamma_table *)
3539 		    &css_param->b_gamma_table;
3540 	}
3541 
3542 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3543 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3544 					 sizeof(struct ia_css_anr_thres),
3545 					 from_user))
3546 			return -EFAULT;
3547 		css_param->update_flag.anr_thres =
3548 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3549 	}
3550 
3551 	if (from_user)
3552 		css_param->isp_config_id = arg->isp_config_id;
3553 	/*
3554 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3555 	 * so do not handle them. see comments of ia_css_isp_config.
3556 	 * 1 cc_config
3557 	 * 2 ce_config
3558 	 * 3 de_config
3559 	 * 4 gc_config
3560 	 * 5 gamma_table
3561 	 * 6 ctc_table
3562 	 * 7 dvs_coefs
3563 	 */
3564 	return 0;
3565 }
3566 
3567 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3568 			 struct atomisp_shading_table *source_st,
3569 			 struct atomisp_css_params *css_param,
3570 			 bool from_user)
3571 {
3572 	unsigned int i;
3573 	unsigned int len_table;
3574 	struct ia_css_shading_table *shading_table;
3575 	struct ia_css_shading_table *old_table;
3576 	struct atomisp_shading_table *st, dest_st;
3577 
3578 	if (!source_st)
3579 		return 0;
3580 
3581 	if (!css_param)
3582 		return -EINVAL;
3583 
3584 	if (!from_user && css_param->update_flag.shading_table)
3585 		return 0;
3586 
3587 	if (atomisp_hw_is_isp2401) {
3588 		if (copy_from_compatible(&dest_st, source_st,
3589 					sizeof(struct atomisp_shading_table),
3590 					from_user)) {
3591 			dev_err(asd->isp->dev, "copy shading table failed!");
3592 			return -EFAULT;
3593 		}
3594 		st = &dest_st;
3595 	} else {
3596 		st = source_st;
3597 	}
3598 
3599 	old_table = css_param->shading_table;
3600 
3601 	/* user config is to disable the shading table. */
3602 	if (!st->enable) {
3603 		/* Generate a minimum table with enable = 0. */
3604 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3605 		if (!shading_table)
3606 			return -ENOMEM;
3607 		shading_table->enable = 0;
3608 		goto set_lsc;
3609 	}
3610 
3611 	/* Setting a new table. Validate first - all tables must be set */
3612 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3613 		if (!st->data[i]) {
3614 			dev_err(asd->isp->dev, "shading table validate failed");
3615 			return -EINVAL;
3616 		}
3617 	}
3618 
3619 	/* Shading table size per color */
3620 	if (!atomisp_hw_is_isp2401) {
3621 		if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3622 		    st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3623 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3624 			return -EINVAL;
3625 		}
3626 	} else {
3627 		if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3628 		    st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3629 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3630 			return -EINVAL;
3631 		}
3632 	}
3633 
3634 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3635 	if (!shading_table)
3636 		return -ENOMEM;
3637 
3638 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3639 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3640 		if (copy_from_compatible(shading_table->data[i],
3641 					 st->data[i], len_table, from_user)) {
3642 			atomisp_css_shading_table_free(shading_table);
3643 			return -EFAULT;
3644 		}
3645 	}
3646 	shading_table->sensor_width = st->sensor_width;
3647 	shading_table->sensor_height = st->sensor_height;
3648 	shading_table->fraction_bits = st->fraction_bits;
3649 	shading_table->enable = st->enable;
3650 
3651 	/* No need to update shading table if it is the same */
3652 	if (old_table &&
3653 	    old_table->sensor_width == shading_table->sensor_width &&
3654 	    old_table->sensor_height == shading_table->sensor_height &&
3655 	    old_table->width == shading_table->width &&
3656 	    old_table->height == shading_table->height &&
3657 	    old_table->fraction_bits == shading_table->fraction_bits &&
3658 	    old_table->enable == shading_table->enable) {
3659 		bool data_is_same = true;
3660 
3661 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3662 			if (memcmp(shading_table->data[i], old_table->data[i],
3663 				   len_table) != 0) {
3664 				data_is_same = false;
3665 				break;
3666 			}
3667 		}
3668 
3669 		if (data_is_same) {
3670 			atomisp_css_shading_table_free(shading_table);
3671 			return 0;
3672 		}
3673 	}
3674 
3675 set_lsc:
3676 	/* set LSC to CSS */
3677 	css_param->shading_table = shading_table;
3678 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3679 	asd->params.sc_en = shading_table;
3680 
3681 	if (old_table)
3682 		atomisp_css_shading_table_free(old_table);
3683 
3684 	return 0;
3685 }
3686 
3687 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3688 			      struct ia_css_dvs2_coefficients *coefs,
3689 			      struct atomisp_css_params *css_param,
3690 			      bool from_user)
3691 {
3692 	struct ia_css_dvs_grid_info *cur =
3693 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3694 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3695 	struct ia_css_dvs2_coefficients dvs2_coefs;
3696 
3697 	if (!coefs || !cur)
3698 		return 0;
3699 
3700 	if (!from_user && css_param->update_flag.dvs2_coefs)
3701 		return 0;
3702 
3703 	if (!atomisp_hw_is_isp2401) {
3704 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3705 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3706 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3707 			/* If the grid info in the argument differs from the current
3708 			grid info, we tell the caller to reset the grid size and
3709 			try again. */
3710 			return -EAGAIN;
3711 		}
3712 
3713 		if (!coefs->hor_coefs.odd_real ||
3714 		    !coefs->hor_coefs.odd_imag ||
3715 		    !coefs->hor_coefs.even_real ||
3716 		    !coefs->hor_coefs.even_imag ||
3717 		    !coefs->ver_coefs.odd_real ||
3718 		    !coefs->ver_coefs.odd_imag ||
3719 		    !coefs->ver_coefs.even_real ||
3720 		    !coefs->ver_coefs.even_imag)
3721 			return -EINVAL;
3722 
3723 		if (!css_param->dvs2_coeff) {
3724 			/* DIS coefficients. */
3725 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3726 			if (!css_param->dvs2_coeff)
3727 				return -ENOMEM;
3728 		}
3729 
3730 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3731 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3732 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3733 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3734 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3735 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3736 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3737 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3738 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3739 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3740 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3741 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3742 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3743 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3744 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3745 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3746 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3747 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3748 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3749 			css_param->dvs2_coeff = NULL;
3750 			return -EFAULT;
3751 		}
3752 	} else {
3753 		if (copy_from_compatible(&dvs2_coefs, coefs,
3754 					sizeof(struct ia_css_dvs2_coefficients),
3755 					from_user)) {
3756 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3757 			return -EFAULT;
3758 		}
3759 
3760 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3761 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3762 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3763 			/* If the grid info in the argument differs from the current
3764 			grid info, we tell the caller to reset the grid size and
3765 			try again. */
3766 			return -EAGAIN;
3767 		}
3768 
3769 		if (!dvs2_coefs.hor_coefs.odd_real ||
3770 		    !dvs2_coefs.hor_coefs.odd_imag ||
3771 		    !dvs2_coefs.hor_coefs.even_real ||
3772 		    !dvs2_coefs.hor_coefs.even_imag ||
3773 		    !dvs2_coefs.ver_coefs.odd_real ||
3774 		    !dvs2_coefs.ver_coefs.odd_imag ||
3775 		    !dvs2_coefs.ver_coefs.even_real ||
3776 		    !dvs2_coefs.ver_coefs.even_imag)
3777 			return -EINVAL;
3778 
3779 		if (!css_param->dvs2_coeff) {
3780 			/* DIS coefficients. */
3781 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3782 			if (!css_param->dvs2_coeff)
3783 				return -ENOMEM;
3784 		}
3785 
3786 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3787 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3788 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3789 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3790 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3791 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3792 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3793 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3794 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3795 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3796 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3797 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3798 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3799 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3800 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3801 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3802 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3803 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3804 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3805 			css_param->dvs2_coeff = NULL;
3806 			return -EFAULT;
3807 		}
3808 	}
3809 
3810 	css_param->update_flag.dvs2_coefs =
3811 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3812 	return 0;
3813 }
3814 
3815 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3816 				struct atomisp_dvs_6axis_config *source_6axis_config,
3817 				struct atomisp_css_params *css_param,
3818 				bool from_user)
3819 {
3820 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3821 	struct ia_css_dvs_6axis_config *old_6axis_config;
3822 	struct ia_css_stream *stream =
3823 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3824 	struct ia_css_dvs_grid_info *dvs_grid_info =
3825 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3826 	int ret = -EFAULT;
3827 
3828 	if (!stream) {
3829 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3830 		return -EINVAL;
3831 	}
3832 
3833 	if (!source_6axis_config || !dvs_grid_info)
3834 		return 0;
3835 
3836 	if (!dvs_grid_info->enable)
3837 		return 0;
3838 
3839 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3840 		return 0;
3841 
3842 	/* check whether need to reallocate for 6 axis config */
3843 	old_6axis_config = css_param->dvs_6axis;
3844 	dvs_6axis_config = old_6axis_config;
3845 
3846 	if (atomisp_hw_is_isp2401) {
3847 		struct ia_css_dvs_6axis_config t_6axis_config;
3848 
3849 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3850 					sizeof(struct atomisp_dvs_6axis_config),
3851 					from_user)) {
3852 			dev_err(asd->isp->dev, "copy morph table failed!");
3853 			return -EFAULT;
3854 		}
3855 
3856 		if (old_6axis_config &&
3857 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3858 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3859 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3860 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3861 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3862 			css_param->dvs_6axis = NULL;
3863 
3864 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3865 			if (!dvs_6axis_config)
3866 				return -ENOMEM;
3867 		} else if (!dvs_6axis_config) {
3868 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3869 			if (!dvs_6axis_config)
3870 				return -ENOMEM;
3871 		}
3872 
3873 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3874 
3875 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3876 					t_6axis_config.xcoords_y,
3877 					t_6axis_config.width_y *
3878 					t_6axis_config.height_y *
3879 					sizeof(*dvs_6axis_config->xcoords_y),
3880 					from_user))
3881 			goto error;
3882 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3883 					t_6axis_config.ycoords_y,
3884 					t_6axis_config.width_y *
3885 					t_6axis_config.height_y *
3886 					sizeof(*dvs_6axis_config->ycoords_y),
3887 					from_user))
3888 			goto error;
3889 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3890 					t_6axis_config.xcoords_uv,
3891 					t_6axis_config.width_uv *
3892 					t_6axis_config.height_uv *
3893 					sizeof(*dvs_6axis_config->xcoords_uv),
3894 					from_user))
3895 			goto error;
3896 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3897 					t_6axis_config.ycoords_uv,
3898 					t_6axis_config.width_uv *
3899 					t_6axis_config.height_uv *
3900 					sizeof(*dvs_6axis_config->ycoords_uv),
3901 					from_user))
3902 			goto error;
3903 	} else {
3904 		if (old_6axis_config &&
3905 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3906 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3907 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3908 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3909 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3910 			css_param->dvs_6axis = NULL;
3911 
3912 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3913 			if (!dvs_6axis_config)
3914 				return -ENOMEM;
3915 		} else if (!dvs_6axis_config) {
3916 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3917 			if (!dvs_6axis_config)
3918 				return -ENOMEM;
3919 		}
3920 
3921 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3922 
3923 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3924 					source_6axis_config->xcoords_y,
3925 					source_6axis_config->width_y *
3926 					source_6axis_config->height_y *
3927 					sizeof(*source_6axis_config->xcoords_y),
3928 					from_user))
3929 			goto error;
3930 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3931 					source_6axis_config->ycoords_y,
3932 					source_6axis_config->width_y *
3933 					source_6axis_config->height_y *
3934 					sizeof(*source_6axis_config->ycoords_y),
3935 					from_user))
3936 			goto error;
3937 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3938 					source_6axis_config->xcoords_uv,
3939 					source_6axis_config->width_uv *
3940 					source_6axis_config->height_uv *
3941 					sizeof(*source_6axis_config->xcoords_uv),
3942 					from_user))
3943 			goto error;
3944 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3945 					source_6axis_config->ycoords_uv,
3946 					source_6axis_config->width_uv *
3947 					source_6axis_config->height_uv *
3948 					sizeof(*source_6axis_config->ycoords_uv),
3949 					from_user))
3950 			goto error;
3951 	}
3952 	css_param->dvs_6axis = dvs_6axis_config;
3953 	css_param->update_flag.dvs_6axis_config =
3954 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3955 	return 0;
3956 
3957 error:
3958 	if (dvs_6axis_config)
3959 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3960 	return ret;
3961 }
3962 
3963 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3964 			   struct atomisp_morph_table *source_morph_table,
3965 			   struct atomisp_css_params *css_param,
3966 			   bool from_user)
3967 {
3968 	int ret = -EFAULT;
3969 	unsigned int i;
3970 	struct ia_css_morph_table *morph_table;
3971 	struct ia_css_morph_table *old_morph_table;
3972 
3973 	if (!source_morph_table)
3974 		return 0;
3975 
3976 	if (!from_user && css_param->update_flag.morph_table)
3977 		return 0;
3978 
3979 	old_morph_table = css_param->morph_table;
3980 
3981 	if (atomisp_hw_is_isp2401) {
3982 		struct ia_css_morph_table mtbl;
3983 
3984 		if (copy_from_compatible(&mtbl, source_morph_table,
3985 				sizeof(struct atomisp_morph_table),
3986 				from_user)) {
3987 			dev_err(asd->isp->dev, "copy morph table failed!");
3988 			return -EFAULT;
3989 		}
3990 
3991 		morph_table = atomisp_css_morph_table_allocate(
3992 				mtbl.width,
3993 				mtbl.height);
3994 		if (!morph_table)
3995 			return -ENOMEM;
3996 
3997 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
3998 			if (copy_from_compatible(morph_table->coordinates_x[i],
3999 						(__force void *)source_morph_table->coordinates_x[i],
4000 						mtbl.height * mtbl.width *
4001 						sizeof(*morph_table->coordinates_x[i]),
4002 						from_user))
4003 				goto error;
4004 
4005 			if (copy_from_compatible(morph_table->coordinates_y[i],
4006 						(__force void *)source_morph_table->coordinates_y[i],
4007 						mtbl.height * mtbl.width *
4008 						sizeof(*morph_table->coordinates_y[i]),
4009 						from_user))
4010 				goto error;
4011 		}
4012 	} else {
4013 		morph_table = atomisp_css_morph_table_allocate(
4014 				source_morph_table->width,
4015 				source_morph_table->height);
4016 		if (!morph_table)
4017 			return -ENOMEM;
4018 
4019 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4020 			if (copy_from_compatible(morph_table->coordinates_x[i],
4021 						(__force void *)source_morph_table->coordinates_x[i],
4022 						source_morph_table->height * source_morph_table->width *
4023 						sizeof(*source_morph_table->coordinates_x[i]),
4024 						from_user))
4025 				goto error;
4026 
4027 			if (copy_from_compatible(morph_table->coordinates_y[i],
4028 						(__force void *)source_morph_table->coordinates_y[i],
4029 						source_morph_table->height * source_morph_table->width *
4030 						sizeof(*source_morph_table->coordinates_y[i]),
4031 						from_user))
4032 				goto error;
4033 		}
4034 	}
4035 
4036 	css_param->morph_table = morph_table;
4037 	if (old_morph_table)
4038 		atomisp_css_morph_table_free(old_morph_table);
4039 	css_param->update_flag.morph_table =
4040 	    (struct atomisp_morph_table *)morph_table;
4041 	return 0;
4042 
4043 error:
4044 	if (morph_table)
4045 		atomisp_css_morph_table_free(morph_table);
4046 	return ret;
4047 }
4048 
4049 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4050 				  struct atomisp_parameters *arg,
4051 				  struct atomisp_css_params *css_param)
4052 {
4053 	int ret;
4054 
4055 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4056 	if (ret)
4057 		return ret;
4058 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4059 	if (ret)
4060 		return ret;
4061 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4062 	if (ret)
4063 		return ret;
4064 	ret = atomisp_css_cp_dvs2_coefs(asd,
4065 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4066 					css_param, false);
4067 	if (ret)
4068 		return ret;
4069 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4070 					  css_param, false);
4071 	return ret;
4072 }
4073 
4074 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4075 {
4076 	if (css_param->dvs_6axis) {
4077 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4078 		css_param->dvs_6axis = NULL;
4079 	}
4080 	if (css_param->dvs2_coeff) {
4081 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4082 		css_param->dvs2_coeff = NULL;
4083 	}
4084 	if (css_param->shading_table) {
4085 		ia_css_shading_table_free(css_param->shading_table);
4086 		css_param->shading_table = NULL;
4087 	}
4088 	if (css_param->morph_table) {
4089 		ia_css_morph_table_free(css_param->morph_table);
4090 		css_param->morph_table = NULL;
4091 	}
4092 }
4093 
4094 /*
4095  * Check parameter queue list and buffer queue list to find out if matched items
4096  * and then set parameter to CSS and enqueue buffer to CSS.
4097  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4098  * parameter, it will be enqueued into CSS as long as the per-frame setting
4099  * buffers before it get enqueued.
4100  */
4101 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4102 {
4103 	struct atomisp_sub_device *asd = pipe->asd;
4104 	struct videobuf_buffer *vb = NULL, *vb_tmp;
4105 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4106 	struct videobuf_vmalloc_memory *vm_mem = NULL;
4107 	unsigned long irqflags;
4108 	bool need_to_enqueue_buffer = false;
4109 
4110 	if (atomisp_is_vf_pipe(pipe))
4111 		return;
4112 
4113 	/*
4114 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
4115 	 * is streamon.
4116 	 */
4117 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4118 		return;
4119 
4120 	if (list_empty(&pipe->per_frame_params) ||
4121 	    list_empty(&pipe->buffers_waiting_for_param))
4122 		return;
4123 
4124 	list_for_each_entry_safe(vb, vb_tmp,
4125 				 &pipe->buffers_waiting_for_param, queue) {
4126 		if (pipe->frame_request_config_id[vb->i]) {
4127 			list_for_each_entry_safe(param, param_tmp,
4128 						 &pipe->per_frame_params, list) {
4129 				if (pipe->frame_request_config_id[vb->i] !=
4130 				    param->params.isp_config_id)
4131 					continue;
4132 
4133 				list_del(&param->list);
4134 				list_del(&vb->queue);
4135 				/*
4136 				 * clear the request config id as the buffer
4137 				 * will be handled and enqueued into CSS soon
4138 				 */
4139 				pipe->frame_request_config_id[vb->i] = 0;
4140 				pipe->frame_params[vb->i] = param;
4141 				vm_mem = vb->priv;
4142 				BUG_ON(!vm_mem);
4143 				break;
4144 			}
4145 
4146 			if (vm_mem) {
4147 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
4148 				list_add_tail(&vb->queue, &pipe->activeq);
4149 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4150 				vm_mem = NULL;
4151 				need_to_enqueue_buffer = true;
4152 			} else {
4153 				/* The is the end, stop further loop */
4154 				break;
4155 			}
4156 		} else {
4157 			list_del(&vb->queue);
4158 			pipe->frame_params[vb->i] = NULL;
4159 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
4160 			list_add_tail(&vb->queue, &pipe->activeq);
4161 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4162 			need_to_enqueue_buffer = true;
4163 		}
4164 	}
4165 
4166 	if (!need_to_enqueue_buffer)
4167 		return;
4168 
4169 	atomisp_qbuffers_to_css(asd);
4170 
4171 	if (!atomisp_hw_is_isp2401) {
4172 		if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4173 			atomisp_wdt_start(asd);
4174 	} else {
4175 		if (atomisp_buffers_queued_pipe(pipe)) {
4176 			if (!atomisp_is_wdt_running(pipe))
4177 				atomisp_wdt_start_pipe(pipe);
4178 			else
4179 				atomisp_wdt_refresh_pipe(pipe,
4180 							ATOMISP_WDT_KEEP_CURRENT_DELAY);
4181 		}
4182 	}
4183 }
4184 
4185 /*
4186 * Function to configure ISP parameters
4187 */
4188 int atomisp_set_parameters(struct video_device *vdev,
4189 			   struct atomisp_parameters *arg)
4190 {
4191 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4192 	struct atomisp_sub_device *asd = pipe->asd;
4193 	struct atomisp_css_params_with_list *param = NULL;
4194 	struct atomisp_css_params *css_param = &asd->params.css_param;
4195 	int ret;
4196 
4197 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4198 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4199 		return -EINVAL;
4200 	}
4201 
4202 	dev_dbg(asd->isp->dev,
4203 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4204 		__func__, arg->per_frame_setting, asd->index,
4205 		arg->isp_config_id, vdev->name);
4206 
4207 	if (atomisp_hw_is_isp2401) {
4208 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4209 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4210 				__func__);
4211 			return -EINVAL;
4212 		}
4213 	}
4214 
4215 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4216 		/*
4217 		 * Per-frame setting enabled, we allocate a new parameter
4218 		 * buffer to cache the parameters and only when frame buffers
4219 		 * are ready, the parameters will be set to CSS.
4220 		 * per-frame setting only works for the main output frame.
4221 		 */
4222 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
4223 		if (!param) {
4224 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4225 				__func__);
4226 			return -ENOMEM;
4227 		}
4228 		css_param = &param->params;
4229 	}
4230 
4231 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4232 	if (ret)
4233 		goto apply_parameter_failed;
4234 
4235 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4236 	if (ret)
4237 		goto apply_parameter_failed;
4238 
4239 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4240 	if (ret)
4241 		goto apply_parameter_failed;
4242 
4243 	ret = atomisp_css_cp_dvs2_coefs(asd,
4244 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4245 					css_param, true);
4246 	if (ret)
4247 		goto apply_parameter_failed;
4248 
4249 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4250 					  css_param, true);
4251 	if (ret)
4252 		goto apply_parameter_failed;
4253 
4254 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4255 		/* indicate to CSS that we have parameters to be updated */
4256 		asd->params.css_update_params_needed = true;
4257 	} else {
4258 		list_add_tail(&param->list, &pipe->per_frame_params);
4259 		atomisp_handle_parameter_and_buffer(pipe);
4260 	}
4261 
4262 	return 0;
4263 
4264 apply_parameter_failed:
4265 	if (css_param)
4266 		atomisp_free_css_parameters(css_param);
4267 	if (param)
4268 		kvfree(param);
4269 
4270 	return ret;
4271 }
4272 
4273 /*
4274  * Function to set/get isp parameters to isp
4275  */
4276 int atomisp_param(struct atomisp_sub_device *asd, int flag,
4277 		  struct atomisp_parm *config)
4278 {
4279 	struct ia_css_pipe_config *vp_cfg =
4280 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
4281 		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
4282 
4283 	/* Read parameter for 3A binary info */
4284 	if (flag == 0) {
4285 		struct ia_css_dvs_grid_info *dvs_grid_info =
4286 		    atomisp_css_get_dvs_grid_info(
4287 			&asd->params.curr_grid_info);
4288 
4289 		atomisp_curr_user_grid_info(asd, &config->info);
4290 
4291 		/* We always return the resolution and stride even if there is
4292 		 * no valid metadata. This allows the caller to get the
4293 		 * information needed to allocate user-space buffers. */
4294 		config->metadata_config.metadata_height = asd->
4295 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4296 			metadata_info.resolution.height;
4297 		config->metadata_config.metadata_stride = asd->
4298 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4299 			metadata_info.stride;
4300 
4301 		/* update dvs grid info */
4302 		if (dvs_grid_info)
4303 			memcpy(&config->dvs_grid,
4304 			       dvs_grid_info,
4305 			       sizeof(struct ia_css_dvs_grid_info));
4306 
4307 		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
4308 			config->dvs_envelop.width = 0;
4309 			config->dvs_envelop.height = 0;
4310 			return 0;
4311 		}
4312 
4313 		/* update dvs envelop info */
4314 		if (!asd->continuous_mode->val) {
4315 			config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
4316 			config->dvs_envelop.height =
4317 			    vp_cfg->dvs_envelope.height;
4318 		} else {
4319 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
4320 
4321 			dvs_w = vp_cfg->bayer_ds_out_res.width -
4322 				vp_cfg->output_info[0].res.width;
4323 			dvs_h = vp_cfg->bayer_ds_out_res.height -
4324 				vp_cfg->output_info[0].res.height;
4325 			dvs_w_max = rounddown(
4326 					vp_cfg->output_info[0].res.width / 5,
4327 					ATOM_ISP_STEP_WIDTH);
4328 			dvs_h_max = rounddown(
4329 					vp_cfg->output_info[0].res.height / 5,
4330 					ATOM_ISP_STEP_HEIGHT);
4331 
4332 			config->dvs_envelop.width = min(dvs_w, dvs_w_max);
4333 			config->dvs_envelop.height = min(dvs_h, dvs_h_max);
4334 		}
4335 
4336 		return 0;
4337 	}
4338 
4339 	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
4340 	       sizeof(struct ia_css_wb_config));
4341 	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
4342 	       sizeof(struct ia_css_ob_config));
4343 	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
4344 	       sizeof(struct ia_css_dp_config));
4345 	memcpy(&asd->params.css_param.de_config, &config->de_config,
4346 	       sizeof(struct ia_css_de_config));
4347 	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
4348 	       sizeof(struct ia_css_dz_config));
4349 	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
4350 	       sizeof(struct ia_css_ce_config));
4351 	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
4352 	       sizeof(struct ia_css_nr_config));
4353 	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
4354 	       sizeof(struct ia_css_ee_config));
4355 	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
4356 	       sizeof(struct ia_css_tnr_config));
4357 
4358 	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
4359 		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
4360 		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
4361 		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
4362 		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
4363 		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
4364 		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
4365 	}
4366 
4367 	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
4368 	    asd->params.color_effect != V4L2_COLORFX_BW) {
4369 		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
4370 		       sizeof(struct ia_css_cc_config));
4371 		asd->params.config.cc_config = &asd->params.css_param.cc_config;
4372 	}
4373 
4374 	asd->params.config.wb_config = &asd->params.css_param.wb_config;
4375 	asd->params.config.ob_config = &asd->params.css_param.ob_config;
4376 	asd->params.config.de_config = &asd->params.css_param.de_config;
4377 	asd->params.config.dz_config = &asd->params.css_param.dz_config;
4378 	asd->params.config.ce_config = &asd->params.css_param.ce_config;
4379 	asd->params.config.dp_config = &asd->params.css_param.dp_config;
4380 	asd->params.config.nr_config = &asd->params.css_param.nr_config;
4381 	asd->params.config.ee_config = &asd->params.css_param.ee_config;
4382 	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
4383 	asd->params.css_update_params_needed = true;
4384 
4385 	return 0;
4386 }
4387 
4388 /*
4389  * Function to configure color effect of the image
4390  */
4391 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
4392 			 __s32 *effect)
4393 {
4394 	struct ia_css_cc_config *cc_config = NULL;
4395 	struct ia_css_macc_table *macc_table = NULL;
4396 	struct ia_css_ctc_table *ctc_table = NULL;
4397 	int ret = 0;
4398 	struct v4l2_control control;
4399 	struct atomisp_device *isp = asd->isp;
4400 
4401 	if (flag == 0) {
4402 		*effect = asd->params.color_effect;
4403 		return 0;
4404 	}
4405 
4406 	control.id = V4L2_CID_COLORFX;
4407 	control.value = *effect;
4408 	ret =
4409 	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
4410 			&control);
4411 	/*
4412 	 * if set color effect to sensor successfully, return
4413 	 * 0 directly.
4414 	 */
4415 	if (!ret) {
4416 		asd->params.color_effect = (u32)*effect;
4417 		return 0;
4418 	}
4419 
4420 	if (*effect == asd->params.color_effect)
4421 		return 0;
4422 
4423 	/*
4424 	 * isp_subdev->params.macc_en should be set to false.
4425 	 */
4426 	asd->params.macc_en = false;
4427 
4428 	switch (*effect) {
4429 	case V4L2_COLORFX_NONE:
4430 		macc_table = &asd->params.css_param.macc_table;
4431 		asd->params.macc_en = true;
4432 		break;
4433 	case V4L2_COLORFX_SEPIA:
4434 		cc_config = &sepia_cc_config;
4435 		break;
4436 	case V4L2_COLORFX_NEGATIVE:
4437 		cc_config = &nega_cc_config;
4438 		break;
4439 	case V4L2_COLORFX_BW:
4440 		cc_config = &mono_cc_config;
4441 		break;
4442 	case V4L2_COLORFX_SKY_BLUE:
4443 		macc_table = &blue_macc_table;
4444 		asd->params.macc_en = true;
4445 		break;
4446 	case V4L2_COLORFX_GRASS_GREEN:
4447 		macc_table = &green_macc_table;
4448 		asd->params.macc_en = true;
4449 		break;
4450 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
4451 		macc_table = &skin_low_macc_table;
4452 		asd->params.macc_en = true;
4453 		break;
4454 	case V4L2_COLORFX_SKIN_WHITEN:
4455 		macc_table = &skin_medium_macc_table;
4456 		asd->params.macc_en = true;
4457 		break;
4458 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4459 		macc_table = &skin_high_macc_table;
4460 		asd->params.macc_en = true;
4461 		break;
4462 	case V4L2_COLORFX_VIVID:
4463 		ctc_table = &vivid_ctc_table;
4464 		break;
4465 	default:
4466 		return -EINVAL;
4467 	}
4468 	atomisp_update_capture_mode(asd);
4469 
4470 	if (cc_config)
4471 		asd->params.config.cc_config = cc_config;
4472 	if (macc_table)
4473 		asd->params.config.macc_table = macc_table;
4474 	if (ctc_table)
4475 		atomisp_css_set_ctc_table(asd, ctc_table);
4476 	asd->params.color_effect = (u32)*effect;
4477 	asd->params.css_update_params_needed = true;
4478 	return 0;
4479 }
4480 
4481 /*
4482  * Function to configure bad pixel correction
4483  */
4484 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4485 		      __s32 *value)
4486 {
4487 	if (flag == 0) {
4488 		*value = asd->params.bad_pixel_en;
4489 		return 0;
4490 	}
4491 	asd->params.bad_pixel_en = !!*value;
4492 
4493 	return 0;
4494 }
4495 
4496 /*
4497  * Function to configure bad pixel correction params
4498  */
4499 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4500 			    struct atomisp_dp_config *config)
4501 {
4502 	if (flag == 0) {
4503 		/* Get bad pixel from current setup */
4504 		if (atomisp_css_get_dp_config(asd, config))
4505 			return -EINVAL;
4506 	} else {
4507 		/* Set bad pixel to isp parameters */
4508 		memcpy(&asd->params.css_param.dp_config, config,
4509 		       sizeof(asd->params.css_param.dp_config));
4510 		asd->params.config.dp_config = &asd->params.css_param.dp_config;
4511 		asd->params.css_update_params_needed = true;
4512 	}
4513 
4514 	return 0;
4515 }
4516 
4517 /*
4518  * Function to enable/disable video image stablization
4519  */
4520 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4521 			 __s32 *value)
4522 {
4523 	if (flag == 0)
4524 		*value = asd->params.video_dis_en;
4525 	else
4526 		asd->params.video_dis_en = !!*value;
4527 
4528 	return 0;
4529 }
4530 
4531 /*
4532  * Function to configure fixed pattern noise
4533  */
4534 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4535 			  __s32 *value)
4536 {
4537 	if (flag == 0) {
4538 		*value = asd->params.fpn_en;
4539 		return 0;
4540 	}
4541 
4542 	if (*value == 0) {
4543 		asd->params.fpn_en = false;
4544 		return 0;
4545 	}
4546 
4547 	/* Add function to get black from from sensor with shutter off */
4548 	return 0;
4549 }
4550 
4551 static unsigned int
4552 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4553 				     enum ia_css_frame_format format)
4554 {
4555 	switch (format) {
4556 	case IA_CSS_FRAME_FORMAT_UYVY:
4557 	case IA_CSS_FRAME_FORMAT_YUYV:
4558 	case IA_CSS_FRAME_FORMAT_RAW:
4559 	case IA_CSS_FRAME_FORMAT_RGB565:
4560 		return bytesperline / 2;
4561 	case IA_CSS_FRAME_FORMAT_RGBA888:
4562 		return bytesperline / 4;
4563 	/* The following cases could be removed, but we leave them
4564 	   in to document the formats that are included. */
4565 	case IA_CSS_FRAME_FORMAT_NV11:
4566 	case IA_CSS_FRAME_FORMAT_NV12:
4567 	case IA_CSS_FRAME_FORMAT_NV16:
4568 	case IA_CSS_FRAME_FORMAT_NV21:
4569 	case IA_CSS_FRAME_FORMAT_NV61:
4570 	case IA_CSS_FRAME_FORMAT_YV12:
4571 	case IA_CSS_FRAME_FORMAT_YV16:
4572 	case IA_CSS_FRAME_FORMAT_YUV420:
4573 	case IA_CSS_FRAME_FORMAT_YUV420_16:
4574 	case IA_CSS_FRAME_FORMAT_YUV422:
4575 	case IA_CSS_FRAME_FORMAT_YUV422_16:
4576 	case IA_CSS_FRAME_FORMAT_YUV444:
4577 	case IA_CSS_FRAME_FORMAT_YUV_LINE:
4578 	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4579 	case IA_CSS_FRAME_FORMAT_QPLANE6:
4580 	case IA_CSS_FRAME_FORMAT_BINARY_8:
4581 	default:
4582 		return bytesperline;
4583 	}
4584 }
4585 
4586 static int
4587 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4588 				      struct ia_css_frame **result)
4589 {
4590 	struct ia_css_frame *res = NULL;
4591 	unsigned int padded_width;
4592 	enum ia_css_frame_format sh_format;
4593 	char *tmp_buf = NULL;
4594 	int ret = 0;
4595 
4596 	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4597 	padded_width = atomisp_bytesperline_to_padded_width(
4598 			   arg->fmt.bytesperline, sh_format);
4599 
4600 	/* Note: the padded width on an ia_css_frame is in elements, not in
4601 	   bytes. The RAW frame we use here should always be a 16bit RAW
4602 	   frame. This is why we bytesperline/2 is equal to the padded with */
4603 	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4604 				       sh_format, padded_width, 0)) {
4605 		ret = -ENOMEM;
4606 		goto err;
4607 	}
4608 
4609 	tmp_buf = vmalloc(arg->fmt.sizeimage);
4610 	if (!tmp_buf) {
4611 		ret = -ENOMEM;
4612 		goto err;
4613 	}
4614 	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4615 			   arg->fmt.sizeimage)) {
4616 		ret = -EFAULT;
4617 		goto err;
4618 	}
4619 
4620 	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4621 		ret = -EINVAL;
4622 		goto err;
4623 	}
4624 
4625 err:
4626 	if (ret && res)
4627 		ia_css_frame_free(res);
4628 	if (tmp_buf)
4629 		vfree(tmp_buf);
4630 	if (ret == 0)
4631 		*result = res;
4632 	return ret;
4633 }
4634 
4635 /*
4636  * Function to configure fixed pattern noise table
4637  */
4638 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4639 				struct v4l2_framebuffer *arg)
4640 {
4641 	struct ia_css_frame *raw_black_frame = NULL;
4642 	int ret;
4643 
4644 	if (!arg)
4645 		return -EINVAL;
4646 
4647 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4648 	if (ret)
4649 		return ret;
4650 
4651 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4652 				   raw_black_frame) != 0)
4653 		return -ENOMEM;
4654 
4655 	ia_css_frame_free(raw_black_frame);
4656 	return ret;
4657 }
4658 
4659 /*
4660  * Function to configure false color correction
4661  */
4662 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4663 			__s32 *value)
4664 {
4665 	/* Get nr config from current setup */
4666 	if (flag == 0) {
4667 		*value = asd->params.false_color;
4668 		return 0;
4669 	}
4670 
4671 	/* Set nr config to isp parameters */
4672 	if (*value) {
4673 		asd->params.config.de_config = NULL;
4674 	} else {
4675 		asd->params.css_param.de_config.pixelnoise = 0;
4676 		asd->params.config.de_config = &asd->params.css_param.de_config;
4677 	}
4678 	asd->params.css_update_params_needed = true;
4679 	asd->params.false_color = *value;
4680 	return 0;
4681 }
4682 
4683 /*
4684  * Function to configure bad pixel correction params
4685  */
4686 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4687 			      struct atomisp_de_config *config)
4688 {
4689 	if (flag == 0) {
4690 		/* Get false color from current setup */
4691 		if (atomisp_css_get_de_config(asd, config))
4692 			return -EINVAL;
4693 	} else {
4694 		/* Set false color to isp parameters */
4695 		memcpy(&asd->params.css_param.de_config, config,
4696 		       sizeof(asd->params.css_param.de_config));
4697 		asd->params.config.de_config = &asd->params.css_param.de_config;
4698 		asd->params.css_update_params_needed = true;
4699 	}
4700 
4701 	return 0;
4702 }
4703 
4704 /*
4705  * Function to configure white balance params
4706  */
4707 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4708 				struct atomisp_wb_config *config)
4709 {
4710 	if (flag == 0) {
4711 		/* Get white balance from current setup */
4712 		if (atomisp_css_get_wb_config(asd, config))
4713 			return -EINVAL;
4714 	} else {
4715 		/* Set white balance to isp parameters */
4716 		memcpy(&asd->params.css_param.wb_config, config,
4717 		       sizeof(asd->params.css_param.wb_config));
4718 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4719 		asd->params.css_update_params_needed = true;
4720 	}
4721 
4722 	return 0;
4723 }
4724 
4725 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4726 			    struct atomisp_3a_config *config)
4727 {
4728 	struct atomisp_device *isp = asd->isp;
4729 
4730 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4731 
4732 	if (flag == 0) {
4733 		/* Get white balance from current setup */
4734 		if (atomisp_css_get_3a_config(asd, config))
4735 			return -EINVAL;
4736 	} else {
4737 		/* Set white balance to isp parameters */
4738 		memcpy(&asd->params.css_param.s3a_config, config,
4739 		       sizeof(asd->params.css_param.s3a_config));
4740 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4741 		asd->params.css_update_params_needed = true;
4742 	}
4743 
4744 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4745 	return 0;
4746 }
4747 
4748 /*
4749  * Function to setup digital zoom
4750  */
4751 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4752 			 __s32 *value)
4753 {
4754 	u32 zoom;
4755 	struct atomisp_device *isp = asd->isp;
4756 
4757 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4758 
4759 	if (flag == 0) {
4760 		atomisp_css_get_zoom_factor(asd, &zoom);
4761 		*value = max_zoom - zoom;
4762 	} else {
4763 		if (*value < 0)
4764 			return -EINVAL;
4765 
4766 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4767 		atomisp_css_set_zoom_factor(asd, zoom);
4768 
4769 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4770 		asd->params.css_update_params_needed = true;
4771 	}
4772 
4773 	return 0;
4774 }
4775 
4776 /*
4777  * Function to get sensor specific info for current resolution,
4778  * which will be used for auto exposure conversion.
4779  */
4780 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4781 				 struct atomisp_sensor_mode_data *config)
4782 {
4783 	struct camera_mipi_info *mipi_info;
4784 	struct atomisp_device *isp = asd->isp;
4785 
4786 	mipi_info = atomisp_to_sensor_mipi_info(
4787 			isp->inputs[asd->input_curr].camera);
4788 	if (!mipi_info)
4789 		return -EINVAL;
4790 
4791 	memcpy(config, &mipi_info->data, sizeof(*config));
4792 	return 0;
4793 }
4794 
4795 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4796 {
4797 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4798 
4799 	f->fmt.pix = pipe->pix;
4800 
4801 	return 0;
4802 }
4803 
4804 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4805 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4806 {
4807 	int i;
4808 
4809 	/* assign virtual channel id return from sensor driver query */
4810 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4811 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4812 	for (i = 0; i < stream_info->isys_configs; i++) {
4813 		asd->stream_env[stream_index].isys_info[i].input_format =
4814 		    stream_info->isys_info[i].input_format;
4815 		asd->stream_env[stream_index].isys_info[i].width =
4816 		    stream_info->isys_info[i].width;
4817 		asd->stream_env[stream_index].isys_info[i].height =
4818 		    stream_info->isys_info[i].height;
4819 	}
4820 }
4821 
4822 static void __atomisp_init_stream_info(u16 stream_index,
4823 				       struct atomisp_input_stream_info *stream_info)
4824 {
4825 	int i;
4826 
4827 	stream_info->enable = 1;
4828 	stream_info->stream = stream_index;
4829 	stream_info->ch_id = 0;
4830 	stream_info->isys_configs = 0;
4831 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4832 		stream_info->isys_info[i].input_format = 0;
4833 		stream_info->isys_info[i].width = 0;
4834 		stream_info->isys_info[i].height = 0;
4835 	}
4836 }
4837 
4838 /* This function looks up the closest available resolution. */
4839 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_format *f,
4840 		    bool *res_overflow)
4841 {
4842 	struct atomisp_device *isp = video_get_drvdata(vdev);
4843 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4844 	struct v4l2_subdev_pad_config pad_cfg;
4845 	struct v4l2_subdev_format format = {
4846 		.which = V4L2_SUBDEV_FORMAT_TRY,
4847 	};
4848 
4849 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4850 	const struct atomisp_format_bridge *fmt;
4851 	struct atomisp_input_stream_info *stream_info =
4852 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4853 	u16 stream_index;
4854 	int source_pad = atomisp_subdev_source_pad(vdev);
4855 	int ret;
4856 
4857 	if (!isp->inputs[asd->input_curr].camera)
4858 		return -EINVAL;
4859 
4860 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4861 	fmt = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
4862 	if (!fmt) {
4863 		dev_err(isp->dev, "unsupported pixelformat!\n");
4864 		fmt = atomisp_output_fmts;
4865 	}
4866 
4867 	if (f->fmt.pix.width <= 0 || f->fmt.pix.height <= 0)
4868 		return -EINVAL;
4869 
4870 	snr_mbus_fmt->code = fmt->mbus_code;
4871 	snr_mbus_fmt->width = f->fmt.pix.width;
4872 	snr_mbus_fmt->height = f->fmt.pix.height;
4873 
4874 	__atomisp_init_stream_info(stream_index, stream_info);
4875 
4876 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4877 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4878 
4879 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4880 			       pad, set_fmt, &pad_cfg, &format);
4881 	if (ret)
4882 		return ret;
4883 
4884 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4885 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4886 
4887 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4888 	if (!fmt) {
4889 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4890 			snr_mbus_fmt->code);
4891 		return -EINVAL;
4892 	}
4893 
4894 	f->fmt.pix.pixelformat = fmt->pixelformat;
4895 
4896 	/*
4897 	 * If the format is jpeg or custom RAW, then the width and height will
4898 	 * not satisfy the normal atomisp requirements and no need to check
4899 	 * the below conditions. So just assign to what is being returned from
4900 	 * the sensor driver.
4901 	 */
4902 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
4903 	    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4904 		f->fmt.pix.width = snr_mbus_fmt->width;
4905 		f->fmt.pix.height = snr_mbus_fmt->height;
4906 		return 0;
4907 	}
4908 
4909 	if (snr_mbus_fmt->width < f->fmt.pix.width
4910 	    && snr_mbus_fmt->height < f->fmt.pix.height) {
4911 		f->fmt.pix.width = snr_mbus_fmt->width;
4912 		f->fmt.pix.height = snr_mbus_fmt->height;
4913 		/* Set the flag when resolution requested is
4914 		 * beyond the max value supported by sensor
4915 		 */
4916 		if (res_overflow)
4917 			*res_overflow = true;
4918 	}
4919 
4920 	/* app vs isp */
4921 	f->fmt.pix.width = rounddown(
4922 			       clamp_t(u32, f->fmt.pix.width, ATOM_ISP_MIN_WIDTH,
4923 				       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4924 	f->fmt.pix.height = rounddown(
4925 				clamp_t(u32, f->fmt.pix.height, ATOM_ISP_MIN_HEIGHT,
4926 					ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4927 
4928 	return 0;
4929 }
4930 
4931 static int
4932 atomisp_try_fmt_file(struct atomisp_device *isp, struct v4l2_format *f)
4933 {
4934 	u32 width = f->fmt.pix.width;
4935 	u32 height = f->fmt.pix.height;
4936 	u32 pixelformat = f->fmt.pix.pixelformat;
4937 	enum v4l2_field field = f->fmt.pix.field;
4938 	u32 depth;
4939 
4940 	if (!atomisp_get_format_bridge(pixelformat)) {
4941 		dev_err(isp->dev, "Wrong output pixelformat\n");
4942 		return -EINVAL;
4943 	}
4944 
4945 	depth = get_pixel_depth(pixelformat);
4946 
4947 	if (field == V4L2_FIELD_ANY)
4948 		field = V4L2_FIELD_NONE;
4949 	else if (field != V4L2_FIELD_NONE) {
4950 		dev_err(isp->dev, "Wrong output field\n");
4951 		return -EINVAL;
4952 	}
4953 
4954 	f->fmt.pix.field = field;
4955 	f->fmt.pix.width = clamp_t(u32,
4956 				   rounddown(width, (u32)ATOM_ISP_STEP_WIDTH),
4957 				   ATOM_ISP_MIN_WIDTH, ATOM_ISP_MAX_WIDTH);
4958 	f->fmt.pix.height = clamp_t(u32, rounddown(height,
4959 				    (u32)ATOM_ISP_STEP_HEIGHT),
4960 				    ATOM_ISP_MIN_HEIGHT, ATOM_ISP_MAX_HEIGHT);
4961 	f->fmt.pix.bytesperline = (width * depth) >> 3;
4962 
4963 	return 0;
4964 }
4965 
4966 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4967 				  enum atomisp_camera_port port)
4968 {
4969 	switch (port) {
4970 	case ATOMISP_CAMERA_PORT_PRIMARY:
4971 		return MIPI_PORT0_ID;
4972 	case ATOMISP_CAMERA_PORT_SECONDARY:
4973 		return MIPI_PORT1_ID;
4974 	case ATOMISP_CAMERA_PORT_TERTIARY:
4975 		if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID) {
4976 			return MIPI_PORT1_ID + 1;
4977 		}
4978 	/* fall through */
4979 	default:
4980 		dev_err(isp->dev, "unsupported port: %d\n", port);
4981 		return MIPI_PORT0_ID;
4982 	}
4983 }
4984 
4985 static inline int atomisp_set_sensor_mipi_to_isp(
4986     struct atomisp_sub_device *asd,
4987     enum atomisp_input_stream_id stream_id,
4988     struct camera_mipi_info *mipi_info)
4989 {
4990 	struct v4l2_control ctrl;
4991 	struct atomisp_device *isp = asd->isp;
4992 	const struct atomisp_in_fmt_conv *fc;
4993 	int mipi_freq = 0;
4994 	unsigned int input_format, bayer_order;
4995 
4996 	ctrl.id = V4L2_CID_LINK_FREQ;
4997 	if (v4l2_g_ctrl
4998 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
4999 		mipi_freq = ctrl.value;
5000 
5001 	if (asd->stream_env[stream_id].isys_configs == 1) {
5002 		input_format =
5003 		    asd->stream_env[stream_id].isys_info[0].input_format;
5004 		atomisp_css_isys_set_format(asd, stream_id,
5005 					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
5006 	} else if (asd->stream_env[stream_id].isys_configs == 2) {
5007 		atomisp_css_isys_two_stream_cfg_update_stream1(
5008 		    asd, stream_id,
5009 		    asd->stream_env[stream_id].isys_info[0].input_format,
5010 		    asd->stream_env[stream_id].isys_info[0].width,
5011 		    asd->stream_env[stream_id].isys_info[0].height);
5012 
5013 		atomisp_css_isys_two_stream_cfg_update_stream2(
5014 		    asd, stream_id,
5015 		    asd->stream_env[stream_id].isys_info[1].input_format,
5016 		    asd->stream_env[stream_id].isys_info[1].width,
5017 		    asd->stream_env[stream_id].isys_info[1].height);
5018 	}
5019 
5020 	/* Compatibility for sensors which provide no media bus code
5021 	 * in s_mbus_framefmt() nor support pad formats. */
5022 	if (mipi_info->input_format != -1) {
5023 		bayer_order = mipi_info->raw_bayer_order;
5024 
5025 		/* Input stream config is still needs configured */
5026 		/* TODO: Check if this is necessary */
5027 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5028 			 mipi_info->input_format);
5029 		if (!fc)
5030 			return -EINVAL;
5031 		input_format = fc->atomisp_in_fmt;
5032 	} else {
5033 		struct v4l2_mbus_framefmt *sink;
5034 
5035 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5036 					       V4L2_SUBDEV_FORMAT_ACTIVE,
5037 					       ATOMISP_SUBDEV_PAD_SINK);
5038 		fc = atomisp_find_in_fmt_conv(sink->code);
5039 		if (!fc)
5040 			return -EINVAL;
5041 		input_format = fc->atomisp_in_fmt;
5042 		bayer_order = fc->bayer_order;
5043 	}
5044 
5045 	atomisp_css_input_set_format(asd, stream_id, input_format);
5046 	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
5047 
5048 	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5049 		 mipi_info->metadata_format);
5050 	if (!fc)
5051 		return -EINVAL;
5052 	input_format = fc->atomisp_in_fmt;
5053 	atomisp_css_input_configure_port(asd,
5054 					 __get_mipi_port(asd->isp, mipi_info->port),
5055 					 mipi_info->num_lanes,
5056 					 0xffff4, mipi_freq,
5057 					 input_format,
5058 					 mipi_info->metadata_width,
5059 					 mipi_info->metadata_height);
5060 	return 0;
5061 }
5062 
5063 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
5064 				    bool enable)
5065 {
5066 	struct atomisp_device *isp = asd->isp;
5067 
5068 	dev_dbg(isp->dev,
5069 		"continuous mode %d, raw buffers %d, stop preview %d\n",
5070 		enable, asd->continuous_raw_buffer_size->val,
5071 		!asd->continuous_viewfinder->val);
5072 
5073 	if (!atomisp_hw_is_isp2401)
5074 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
5075 	else
5076 		atomisp_update_capture_mode(asd);
5077 
5078 	/* in case of ANR, force capture pipe to offline mode */
5079 	atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5080 					  asd->params.low_light ? false : !enable);
5081 	atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5082 					  !enable);
5083 	atomisp_css_enable_continuous(asd, enable);
5084 	atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
5085 
5086 	if (atomisp_css_continuous_set_num_raw_frames(asd,
5087 		asd->continuous_raw_buffer_size->val)) {
5088 		dev_err(isp->dev, "css_continuous_set_num_raw_frames failed\n");
5089 		return -EINVAL;
5090 	}
5091 
5092 	if (!enable) {
5093 		atomisp_css_enable_raw_binning(asd, false);
5094 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
5095 	}
5096 
5097 	if (isp->inputs[asd->input_curr].type != FILE_INPUT)
5098 		atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5099 
5100 	return atomisp_update_run_mode(asd);
5101 }
5102 
5103 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
5104 				  unsigned int width, unsigned int height)
5105 {
5106 	return 0;
5107 }
5108 
5109 static int configure_output_nop(struct atomisp_sub_device *asd,
5110 				unsigned int width, unsigned int height,
5111 				unsigned int min_width,
5112 				enum ia_css_frame_format sh_fmt)
5113 {
5114 	return 0;
5115 }
5116 
5117 static int get_frame_info_nop(struct atomisp_sub_device *asd,
5118 			      struct ia_css_frame_info *finfo)
5119 {
5120 	return 0;
5121 }
5122 
5123 /*
5124  * Resets CSS parameters that depend on input resolution.
5125  *
5126  * Update params like CSS RAW binning, 2ppc mode and pp_input
5127  * which depend on input size, but are not automatically
5128  * handled in CSS when the input resolution is changed.
5129  */
5130 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
5131 					struct v4l2_mbus_framefmt *ffmt)
5132 {
5133 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
5134 	unsigned int i;
5135 
5136 	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
5137 		ffmt->width, ffmt->height);
5138 
5139 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5140 	atomisp_css_input_set_two_pixels_per_clock(asd, false);
5141 #else
5142 	atomisp_css_input_set_two_pixels_per_clock(asd, true);
5143 #endif
5144 	if (asd->continuous_mode->val) {
5145 		/* Note for all checks: ffmt includes pad_w+pad_h */
5146 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
5147 		    (ffmt->width >= 2048 || ffmt->height >= 1536)) {
5148 			/*
5149 			 * For preview pipe, enable only if resolution
5150 			 * is >= 3M for ISP2400.
5151 			 */
5152 			atomisp_css_enable_raw_binning(asd, true);
5153 		}
5154 	}
5155 	/*
5156 	 * If sensor input changed, which means metadata resolution changed
5157 	 * together. Release all metadata buffers here to let it re-allocated
5158 	 * next time in reqbufs.
5159 	 */
5160 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
5161 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
5162 					 list) {
5163 			atomisp_css_free_metadata_buffer(md_buf);
5164 			list_del(&md_buf->list);
5165 			kfree(md_buf);
5166 		}
5167 	}
5168 	return 0;
5169 
5170 	/*
5171 	 * TODO: atomisp_css_preview_configure_pp_input() not
5172 	 *       reset due to CSS bug tracked as PSI BZ 115124
5173 	 */
5174 }
5175 
5176 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
5177 				  struct ia_css_frame_info *output_info,
5178 				  struct ia_css_frame_info *raw_output_info,
5179 				  struct v4l2_pix_format *pix,
5180 				  unsigned int source_pad)
5181 {
5182 	struct camera_mipi_info *mipi_info;
5183 	struct atomisp_device *isp = video_get_drvdata(vdev);
5184 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5185 	const struct atomisp_format_bridge *format;
5186 	struct v4l2_rect *isp_sink_crop;
5187 	enum ia_css_pipe_id pipe_id;
5188 	struct v4l2_subdev_fh fh;
5189 	int (*configure_output)(struct atomisp_sub_device *asd,
5190 				unsigned int width, unsigned int height,
5191 				unsigned int min_width,
5192 				enum ia_css_frame_format sh_fmt) =
5193 				    configure_output_nop;
5194 	int (*get_frame_info)(struct atomisp_sub_device *asd,
5195 			      struct ia_css_frame_info *finfo) =
5196 				  get_frame_info_nop;
5197 	int (*configure_pp_input)(struct atomisp_sub_device *asd,
5198 				  unsigned int width, unsigned int height) =
5199 				      configure_pp_input_nop;
5200 	u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5201 	const struct atomisp_in_fmt_conv *fc;
5202 	int ret, i;
5203 
5204 	v4l2_fh_init(&fh.vfh, vdev);
5205 
5206 	isp_sink_crop = atomisp_subdev_get_rect(
5207 			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5208 			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
5209 
5210 	format = atomisp_get_format_bridge(pix->pixelformat);
5211 	if (!format)
5212 		return -EINVAL;
5213 
5214 	if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
5215 	    isp->inputs[asd->input_curr].type != FILE_INPUT) {
5216 		mipi_info = atomisp_to_sensor_mipi_info(
5217 				isp->inputs[asd->input_curr].camera);
5218 		if (!mipi_info) {
5219 			dev_err(isp->dev, "mipi_info is NULL\n");
5220 			return -EINVAL;
5221 		}
5222 		if (atomisp_set_sensor_mipi_to_isp(asd, stream_index,
5223 						   mipi_info))
5224 			return -EINVAL;
5225 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5226 			 mipi_info->input_format);
5227 		if (!fc)
5228 			fc = atomisp_find_in_fmt_conv(
5229 				 atomisp_subdev_get_ffmt(&asd->subdev,
5230 							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5231 							 ATOMISP_SUBDEV_PAD_SINK)->code);
5232 		if (!fc)
5233 			return -EINVAL;
5234 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
5235 		    raw_output_format_match_input(fc->atomisp_in_fmt,
5236 						  pix->pixelformat))
5237 			return -EINVAL;
5238 	}
5239 
5240 	/*
5241 	 * Configure viewfinder also when vfpp is disabled: the
5242 	 * CSS still requires viewfinder configuration.
5243 	 */
5244 	if (asd->fmt_auto->val ||
5245 	    asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
5246 		struct v4l2_rect vf_size = {0};
5247 		struct v4l2_mbus_framefmt vf_ffmt = {0};
5248 
5249 		if (pix->width < 640 || pix->height < 480) {
5250 			vf_size.width = pix->width;
5251 			vf_size.height = pix->height;
5252 		} else {
5253 			vf_size.width = 640;
5254 			vf_size.height = 480;
5255 		}
5256 
5257 		/* FIXME: proper format name for this one. See
5258 		   atomisp_output_fmts[] in atomisp_v4l2.c */
5259 		vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
5260 
5261 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5262 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5263 					     ATOMISP_SUBDEV_PAD_SOURCE_VF,
5264 					     V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
5265 		atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5266 					V4L2_SUBDEV_FORMAT_ACTIVE,
5267 					ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
5268 		asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
5269 
5270 		if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5271 			atomisp_css_video_configure_viewfinder(asd,
5272 							       vf_size.width, vf_size.height, 0,
5273 							       asd->video_out_vf.sh_fmt);
5274 		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5275 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5276 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
5277 				atomisp_css_video_configure_viewfinder(asd,
5278 								       vf_size.width, vf_size.height, 0,
5279 								       asd->video_out_vf.sh_fmt);
5280 			else
5281 				atomisp_css_capture_configure_viewfinder(asd,
5282 					vf_size.width, vf_size.height, 0,
5283 					asd->video_out_vf.sh_fmt);
5284 		} else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5285 			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
5286 			atomisp_css_capture_configure_viewfinder(asd,
5287 				vf_size.width, vf_size.height, 0,
5288 				asd->video_out_vf.sh_fmt);
5289 		}
5290 	}
5291 
5292 	if (asd->continuous_mode->val) {
5293 		ret = __enable_continuous_mode(asd, true);
5294 		if (ret)
5295 			return -EINVAL;
5296 	}
5297 
5298 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5299 
5300 	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
5301 		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
5302 
5303 	/* ISP2401 new input system need to use copy pipe */
5304 	if (asd->copy_mode) {
5305 		pipe_id = IA_CSS_PIPE_ID_COPY;
5306 		atomisp_css_capture_enable_online(asd, stream_index, false);
5307 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5308 		/* video same in continuouscapture and online modes */
5309 		configure_output = atomisp_css_video_configure_output;
5310 		get_frame_info = atomisp_css_video_get_output_frame_info;
5311 		pipe_id = IA_CSS_PIPE_ID_VIDEO;
5312 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5313 		if (!asd->continuous_mode->val) {
5314 			configure_output = atomisp_css_video_configure_output;
5315 			get_frame_info =
5316 			    atomisp_css_video_get_output_frame_info;
5317 			pipe_id = IA_CSS_PIPE_ID_VIDEO;
5318 		} else {
5319 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5320 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5321 				configure_output =
5322 				    atomisp_css_video_configure_output;
5323 				get_frame_info =
5324 				    atomisp_css_video_get_output_frame_info;
5325 				configure_pp_input =
5326 				    atomisp_css_video_configure_pp_input;
5327 				pipe_id = IA_CSS_PIPE_ID_VIDEO;
5328 			} else {
5329 				configure_output =
5330 				    atomisp_css_capture_configure_output;
5331 				get_frame_info =
5332 				    atomisp_css_capture_get_output_frame_info;
5333 				configure_pp_input =
5334 				    atomisp_css_capture_configure_pp_input;
5335 				pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5336 
5337 				atomisp_update_capture_mode(asd);
5338 				atomisp_css_capture_enable_online(asd, stream_index, false);
5339 			}
5340 		}
5341 	} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5342 		configure_output = atomisp_css_preview_configure_output;
5343 		get_frame_info = atomisp_css_preview_get_output_frame_info;
5344 		configure_pp_input = atomisp_css_preview_configure_pp_input;
5345 		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
5346 	} else {
5347 		/* CSS doesn't support low light mode on SOC cameras, so disable
5348 		 * it. FIXME: if this is done elsewhere, it gives corrupted
5349 		 * colors into thumbnail image.
5350 		 */
5351 		if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5352 			asd->params.low_light = false;
5353 
5354 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5355 			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
5356 			atomisp_css_enable_dz(asd, false);
5357 		} else {
5358 			atomisp_update_capture_mode(asd);
5359 		}
5360 
5361 		if (!asd->continuous_mode->val)
5362 			/* in case of ANR, force capture pipe to offline mode */
5363 			atomisp_css_capture_enable_online(asd, stream_index,
5364 							  asd->params.low_light ?
5365 							  false : asd->params.online_process);
5366 
5367 		configure_output = atomisp_css_capture_configure_output;
5368 		get_frame_info = atomisp_css_capture_get_output_frame_info;
5369 		configure_pp_input = atomisp_css_capture_configure_pp_input;
5370 		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5371 
5372 		if (!asd->params.online_process &&
5373 		    !asd->continuous_mode->val) {
5374 			ret = atomisp_css_capture_get_output_raw_frame_info(asd,
5375 				raw_output_info);
5376 			if (ret)
5377 				return ret;
5378 		}
5379 		if (!asd->continuous_mode->val && asd->run_mode->val
5380 		    != ATOMISP_RUN_MODE_STILL_CAPTURE) {
5381 			dev_err(isp->dev,
5382 				"Need to set the running mode first\n");
5383 			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
5384 		}
5385 	}
5386 
5387 	/*
5388 	 * to SOC camera, use yuvpp pipe.
5389 	 */
5390 	if (ATOMISP_USE_YUVPP(asd))
5391 		pipe_id = IA_CSS_PIPE_ID_YUVPP;
5392 
5393 	if (asd->copy_mode)
5394 		ret = atomisp_css_copy_configure_output(asd, stream_index,
5395 							pix->width, pix->height,
5396 							format->planar ? pix->bytesperline :
5397 							pix->bytesperline * 8 / format->depth,
5398 							format->sh_fmt);
5399 	else
5400 		ret = configure_output(asd, pix->width, pix->height,
5401 				       format->planar ? pix->bytesperline :
5402 				       pix->bytesperline * 8 / format->depth,
5403 				       format->sh_fmt);
5404 	if (ret) {
5405 		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
5406 			pix->width, pix->height, format->sh_fmt);
5407 		return -EINVAL;
5408 	}
5409 
5410 	if (asd->continuous_mode->val &&
5411 	    (configure_pp_input == atomisp_css_preview_configure_pp_input ||
5412 	     configure_pp_input == atomisp_css_video_configure_pp_input)) {
5413 		/* for isp 2.2, configure pp input is available for continuous
5414 		 * mode */
5415 		ret = configure_pp_input(asd, isp_sink_crop->width,
5416 					 isp_sink_crop->height);
5417 		if (ret) {
5418 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5419 				isp_sink_crop->width,
5420 				isp_sink_crop->height);
5421 			return -EINVAL;
5422 		}
5423 	} else {
5424 		ret = configure_pp_input(asd, isp_sink_crop->width,
5425 					 isp_sink_crop->height);
5426 		if (ret) {
5427 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5428 				isp_sink_crop->width, isp_sink_crop->height);
5429 			return -EINVAL;
5430 		}
5431 	}
5432 	if (asd->copy_mode)
5433 		ret = atomisp_css_copy_get_output_frame_info(asd, stream_index,
5434 			output_info);
5435 	else
5436 		ret = get_frame_info(asd, output_info);
5437 	if (ret) {
5438 		dev_err(isp->dev, "get_frame_info %ux%u (padded to %u)\n",
5439 			pix->width, pix->height, pix->bytesperline);
5440 		return -EINVAL;
5441 	}
5442 
5443 	atomisp_update_grid_info(asd, pipe_id, source_pad);
5444 
5445 	/* Free the raw_dump buffer first */
5446 	ia_css_frame_free(asd->raw_output_frame);
5447 	asd->raw_output_frame = NULL;
5448 
5449 	if (!asd->continuous_mode->val &&
5450 	    !asd->params.online_process && !isp->sw_contex.file_input &&
5451 	    ia_css_frame_allocate_from_info(&asd->raw_output_frame,
5452 		    raw_output_info))
5453 		return -ENOMEM;
5454 
5455 	return 0;
5456 }
5457 
5458 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
5459 				    unsigned int width, unsigned int height,
5460 				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
5461 {
5462 	struct atomisp_device *isp = asd->isp;
5463 
5464 	/* if subdev type is SOC camera,we do not need to set DVS */
5465 	if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5466 		asd->params.video_dis_en = false;
5467 
5468 	if (asd->params.video_dis_en &&
5469 	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5470 		/* envelope is 20% of the output resolution */
5471 		/*
5472 		 * dvs envelope cannot be round up.
5473 		 * it would cause ISP timeout and color switch issue
5474 		 */
5475 		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5476 		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5477 	}
5478 
5479 	asd->params.dis_proj_data_valid = false;
5480 	asd->params.css_update_params_needed = true;
5481 }
5482 
5483 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5484 				    int source_pad, struct v4l2_format *f)
5485 {
5486 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5487 	struct v4l2_mbus_framefmt *sink, *src;
5488 
5489 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5490 				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5491 	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5492 				      V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5493 
5494 	if ((sink->code == src->code &&
5495 	     sink->width == f->fmt.pix.width &&
5496 	     sink->height == f->fmt.pix.height) ||
5497 	    ((asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5498 	     (asd->isp->inputs[asd->input_curr].camera_caps->
5499 	      sensor[asd->sensor_curr].stream_num > 1)))
5500 		asd->copy_mode = true;
5501 	else
5502 #endif
5503 		/* Only used for the new input system */
5504 		asd->copy_mode = false;
5505 
5506 	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5507 }
5508 
5509 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5510 				  struct v4l2_format *f, unsigned int pixelformat,
5511 				  unsigned int padding_w, unsigned int padding_h,
5512 				  unsigned int dvs_env_w, unsigned int dvs_env_h)
5513 {
5514 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5515 	const struct atomisp_format_bridge *format;
5516 	struct v4l2_subdev_pad_config pad_cfg;
5517 	struct v4l2_subdev_format vformat = {
5518 		.which = V4L2_SUBDEV_FORMAT_TRY,
5519 	};
5520 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5521 	struct v4l2_mbus_framefmt *req_ffmt;
5522 	struct atomisp_device *isp = asd->isp;
5523 	struct atomisp_input_stream_info *stream_info =
5524 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5525 	u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5526 	int source_pad = atomisp_subdev_source_pad(vdev);
5527 	struct v4l2_subdev_fh fh;
5528 	int ret;
5529 
5530 	v4l2_fh_init(&fh.vfh, vdev);
5531 
5532 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5533 
5534 	format = atomisp_get_format_bridge(pixelformat);
5535 	if (!format)
5536 		return -EINVAL;
5537 
5538 	v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format->mbus_code);
5539 	ffmt->height += padding_h + dvs_env_h;
5540 	ffmt->width += padding_w + dvs_env_w;
5541 
5542 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5543 		ffmt->width, ffmt->height, padding_w, padding_h,
5544 		dvs_env_w, dvs_env_h);
5545 
5546 	__atomisp_init_stream_info(stream_index, stream_info);
5547 
5548 	req_ffmt = ffmt;
5549 
5550 	/* Disable dvs if resolution can't be supported by sensor */
5551 	if (asd->params.video_dis_en &&
5552 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5553 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5554 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5555 				       pad, set_fmt, &pad_cfg, &vformat);
5556 		if (ret)
5557 			return ret;
5558 		if (ffmt->width < req_ffmt->width ||
5559 		    ffmt->height < req_ffmt->height) {
5560 			req_ffmt->height -= dvs_env_h;
5561 			req_ffmt->width -= dvs_env_w;
5562 			ffmt = req_ffmt;
5563 			dev_warn(isp->dev,
5564 				 "can not enable video dis due to sensor limitation.");
5565 			asd->params.video_dis_en = false;
5566 		}
5567 	}
5568 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5569 		ffmt->width, ffmt->height);
5570 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5571 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5572 			       set_fmt, NULL, &vformat);
5573 	if (ret)
5574 		return ret;
5575 
5576 	__atomisp_update_stream_env(asd, stream_index, stream_info);
5577 
5578 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5579 		ffmt->width, ffmt->height);
5580 
5581 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5582 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5583 		return -EINVAL;
5584 
5585 	if (asd->params.video_dis_en &&
5586 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5587 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5588 		dev_warn(isp->dev,
5589 			 "can not enable video dis due to sensor limitation.");
5590 		asd->params.video_dis_en = false;
5591 	}
5592 
5593 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5594 				V4L2_SUBDEV_FORMAT_ACTIVE,
5595 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5596 
5597 	return css_input_resolution_changed(asd, ffmt);
5598 }
5599 
5600 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5601 {
5602 	struct atomisp_device *isp = video_get_drvdata(vdev);
5603 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5604 	struct atomisp_sub_device *asd = pipe->asd;
5605 	const struct atomisp_format_bridge *format_bridge;
5606 	const struct atomisp_format_bridge *snr_format_bridge;
5607 	struct ia_css_frame_info output_info, raw_output_info;
5608 	struct v4l2_format snr_fmt = *f;
5609 	struct v4l2_format backup_fmt = *f, s_fmt = *f;
5610 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5611 	unsigned int padding_w = pad_w, padding_h = pad_h;
5612 	bool res_overflow = false, crop_needs_override = false;
5613 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5614 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5615 	struct v4l2_rect isp_sink_crop;
5616 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5617 	struct v4l2_subdev_fh fh;
5618 	int ret;
5619 
5620 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5621 		return -EINVAL;
5622 
5623 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5624 		dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5625 		return -EBUSY;
5626 	}
5627 
5628 	dev_dbg(isp->dev,
5629 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5630 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5631 		asd->index, f->fmt.pix.bytesperline);
5632 
5633 	v4l2_fh_init(&fh.vfh, vdev);
5634 
5635 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5636 	if (!format_bridge)
5637 		return -EINVAL;
5638 
5639 	pipe->sh_fmt = format_bridge->sh_fmt;
5640 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5641 
5642 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5643 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5644 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5645 		if (asd->fmt_auto->val) {
5646 			struct v4l2_rect *capture_comp;
5647 			struct v4l2_rect r = {0};
5648 
5649 			r.width = f->fmt.pix.width;
5650 			r.height = f->fmt.pix.height;
5651 
5652 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5653 				capture_comp = atomisp_subdev_get_rect(
5654 						   &asd->subdev, NULL,
5655 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5656 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5657 						   V4L2_SEL_TGT_COMPOSE);
5658 			else
5659 				capture_comp = atomisp_subdev_get_rect(
5660 						   &asd->subdev, NULL,
5661 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5662 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5663 						   V4L2_SEL_TGT_COMPOSE);
5664 
5665 			if (capture_comp->width < r.width
5666 			    || capture_comp->height < r.height) {
5667 				r.width = capture_comp->width;
5668 				r.height = capture_comp->height;
5669 			}
5670 
5671 			atomisp_subdev_set_selection(
5672 			    &asd->subdev, fh.pad,
5673 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5674 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5675 
5676 			f->fmt.pix.width = r.width;
5677 			f->fmt.pix.height = r.height;
5678 		}
5679 
5680 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5681 		    (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5682 		    (asd->isp->inputs[asd->input_curr].camera_caps->
5683 		     sensor[asd->sensor_curr].stream_num > 1)) {
5684 			/* For M10MO outputing YUV preview images. */
5685 			u16 video_index =
5686 			    atomisp_source_pad_to_stream_id(asd,
5687 							    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5688 
5689 			ret = atomisp_css_copy_get_output_frame_info(asd,
5690 				video_index, &output_info);
5691 			if (ret) {
5692 				dev_err(isp->dev,
5693 					"copy_get_output_frame_info ret %i", ret);
5694 				return -EINVAL;
5695 			}
5696 			if (!asd->yuvpp_mode) {
5697 				/*
5698 				 * If viewfinder was configured into copy_mode,
5699 				 * we switch to using yuvpp pipe instead.
5700 				 */
5701 				asd->yuvpp_mode = true;
5702 				ret = atomisp_css_copy_configure_output(
5703 					  asd, video_index, 0, 0, 0, 0);
5704 				if (ret) {
5705 					dev_err(isp->dev,
5706 						"failed to disable copy pipe");
5707 					return -EINVAL;
5708 				}
5709 				ret = atomisp_css_yuvpp_configure_output(
5710 					  asd, video_index,
5711 					  output_info.res.width,
5712 					  output_info.res.height,
5713 					  output_info.padded_width,
5714 					  output_info.format);
5715 				if (ret) {
5716 					dev_err(isp->dev,
5717 						"failed to set up yuvpp pipe\n");
5718 					return -EINVAL;
5719 				}
5720 				atomisp_css_video_enable_online(asd, false);
5721 				atomisp_css_preview_enable_online(asd,
5722 								  ATOMISP_INPUT_STREAM_GENERAL, false);
5723 			}
5724 			atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5725 							       f->fmt.pix.width, f->fmt.pix.height,
5726 							       format_bridge->planar ? f->fmt.pix.bytesperline
5727 							       : f->fmt.pix.bytesperline * 8
5728 							       / format_bridge->depth, format_bridge->sh_fmt);
5729 			atomisp_css_yuvpp_get_viewfinder_frame_info(
5730 			    asd, video_index, &output_info);
5731 		} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5732 			atomisp_css_video_configure_viewfinder(asd,
5733 							       f->fmt.pix.width, f->fmt.pix.height,
5734 							       format_bridge->planar ? f->fmt.pix.bytesperline
5735 							       : f->fmt.pix.bytesperline * 8
5736 							       / format_bridge->depth,	format_bridge->sh_fmt);
5737 			atomisp_css_video_get_viewfinder_frame_info(asd,
5738 				&output_info);
5739 			asd->copy_mode = false;
5740 		} else {
5741 			atomisp_css_capture_configure_viewfinder(asd,
5742 				f->fmt.pix.width, f->fmt.pix.height,
5743 				format_bridge->planar ? f->fmt.pix.bytesperline
5744 				: f->fmt.pix.bytesperline * 8
5745 				/ format_bridge->depth,	format_bridge->sh_fmt);
5746 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5747 				&output_info);
5748 			asd->copy_mode = false;
5749 		}
5750 
5751 		goto done;
5752 	}
5753 	/*
5754 	 * Check whether main resolution configured smaller
5755 	 * than snapshot resolution. If so, force main resolution
5756 	 * to be the same as snapshot resolution
5757 	 */
5758 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5759 		struct v4l2_rect *r;
5760 
5761 		r = atomisp_subdev_get_rect(
5762 			&asd->subdev, NULL,
5763 			V4L2_SUBDEV_FORMAT_ACTIVE,
5764 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5765 
5766 		if (r->width && r->height
5767 		    && (r->width > f->fmt.pix.width
5768 			|| r->height > f->fmt.pix.height))
5769 			dev_warn(isp->dev,
5770 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5771 	}
5772 
5773 	/* Pipeline configuration done through subdevs. Bail out now. */
5774 	if (!asd->fmt_auto->val)
5775 		goto set_fmt_to_isp;
5776 
5777 	/* get sensor resolution and format */
5778 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5779 	if (ret) {
5780 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5781 		return ret;
5782 	}
5783 	f->fmt.pix.width = snr_fmt.fmt.pix.width;
5784 	f->fmt.pix.height = snr_fmt.fmt.pix.height;
5785 
5786 	snr_format_bridge =
5787 	    atomisp_get_format_bridge(snr_fmt.fmt.pix.pixelformat);
5788 	if (!snr_format_bridge) {
5789 		dev_warn(isp->dev, "Can't find bridge format\n");
5790 		return -EINVAL;
5791 	}
5792 
5793 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5794 				V4L2_SUBDEV_FORMAT_ACTIVE,
5795 				ATOMISP_SUBDEV_PAD_SINK)->code =
5796 				    snr_format_bridge->mbus_code;
5797 
5798 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5799 						V4L2_SUBDEV_FORMAT_ACTIVE,
5800 						ATOMISP_SUBDEV_PAD_SINK);
5801 
5802 	isp_source_fmt.code = format_bridge->mbus_code;
5803 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5804 				V4L2_SUBDEV_FORMAT_ACTIVE,
5805 				source_pad, &isp_source_fmt);
5806 
5807 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5808 		padding_w = 0;
5809 		padding_h = 0;
5810 	} else if (IS_BYT) {
5811 		padding_w = 12;
5812 		padding_h = 12;
5813 	}
5814 
5815 	/* construct resolution supported by isp */
5816 	if (res_overflow && !asd->continuous_mode->val) {
5817 		f->fmt.pix.width = rounddown(
5818 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5819 					       ATOM_ISP_MIN_WIDTH,
5820 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5821 		f->fmt.pix.height = rounddown(
5822 					clamp_t(u32, f->fmt.pix.height - padding_h,
5823 						ATOM_ISP_MIN_HEIGHT,
5824 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5825 	}
5826 
5827 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5828 				&dvs_env_w, &dvs_env_h);
5829 
5830 	if (asd->continuous_mode->val) {
5831 		struct v4l2_rect *r;
5832 
5833 		r = atomisp_subdev_get_rect(
5834 			&asd->subdev, NULL,
5835 			V4L2_SUBDEV_FORMAT_ACTIVE,
5836 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5837 			V4L2_SEL_TGT_COMPOSE);
5838 		/*
5839 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5840 		 * properly set otherwise, it should not be the capture_pad.
5841 		 */
5842 		if (r->width && r->height)
5843 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5844 		else
5845 			asd->capture_pad = source_pad;
5846 	} else {
5847 		asd->capture_pad = source_pad;
5848 	}
5849 	/*
5850 	 * set format info to sensor
5851 	 * In continuous mode, resolution is set only if it is higher than
5852 	 * existing value. This because preview pipe will be configured after
5853 	 * capture pipe and usually has lower resolution than capture pipe.
5854 	 */
5855 	if (!asd->continuous_mode->val ||
5856 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5857 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5858 				    dvs_env_h)) {
5859 		/*
5860 		 * For jpeg or custom raw format the sensor will return constant
5861 		 * width and height. Because we already had quried try_mbus_fmt,
5862 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5863 		 * this fixed width and height. So we cannot select the correct
5864 		 * resolution with that information. So use the original width
5865 		 * and height while set_mbus_fmt() so actual resolutions are
5866 		 * being used in while set media bus format.
5867 		 */
5868 		s_fmt = *f;
5869 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5870 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5871 			s_fmt.fmt.pix.width = backup_fmt.fmt.pix.width;
5872 			s_fmt.fmt.pix.height = backup_fmt.fmt.pix.height;
5873 		}
5874 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5875 					     f->fmt.pix.pixelformat, padding_w,
5876 					     padding_h, dvs_env_w, dvs_env_h);
5877 		if (ret) {
5878 			dev_warn(isp->dev,
5879 				 "Set format to sensor failed with %d\n", ret);
5880 			return -EINVAL;
5881 		}
5882 
5883 		atomisp_csi_lane_config(isp);
5884 		crop_needs_override = true;
5885 	}
5886 
5887 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5888 	asd->yuvpp_mode = false;			/* Reset variable */
5889 
5890 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5891 			V4L2_SUBDEV_FORMAT_ACTIVE,
5892 			ATOMISP_SUBDEV_PAD_SINK,
5893 			V4L2_SEL_TGT_CROP);
5894 
5895 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5896 	 * width or height) bigger than the desired result. */
5897 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5898 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5899 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5900 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5901 	       !asd->continuous_mode->val) ||
5902 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5903 		/* for continuous mode, preview size might be smaller than
5904 		 * still capture size. if preview size still needs crop,
5905 		 * pick the larger one between crop size of preview and
5906 		 * still capture.
5907 		 */
5908 		if (asd->continuous_mode->val
5909 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5910 		    && !crop_needs_override) {
5911 			isp_sink_crop.width =
5912 			    max_t(unsigned int, f->fmt.pix.width,
5913 				  isp_sink_crop.width);
5914 			isp_sink_crop.height =
5915 			    max_t(unsigned int, f->fmt.pix.height,
5916 				  isp_sink_crop.height);
5917 		} else {
5918 			isp_sink_crop.width = f->fmt.pix.width;
5919 			isp_sink_crop.height = f->fmt.pix.height;
5920 		}
5921 
5922 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5923 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5924 					     ATOMISP_SUBDEV_PAD_SINK,
5925 					     V4L2_SEL_TGT_CROP,
5926 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5927 					     &isp_sink_crop);
5928 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5929 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5930 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5931 					     0, &isp_sink_crop);
5932 	} else if (IS_MOFD) {
5933 		struct v4l2_rect main_compose = {0};
5934 
5935 		main_compose.width = isp_sink_crop.width;
5936 		main_compose.height =
5937 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5938 				 f->fmt.pix.width);
5939 		if (main_compose.height > isp_sink_crop.height) {
5940 			main_compose.height = isp_sink_crop.height;
5941 			main_compose.width =
5942 			    DIV_ROUND_UP(main_compose.height *
5943 					 f->fmt.pix.width,
5944 					 f->fmt.pix.height);
5945 		}
5946 
5947 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5948 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5949 					     source_pad,
5950 					     V4L2_SEL_TGT_COMPOSE, 0,
5951 					     &main_compose);
5952 	} else {
5953 		struct v4l2_rect sink_crop = {0};
5954 		struct v4l2_rect main_compose = {0};
5955 
5956 		main_compose.width = f->fmt.pix.width;
5957 		main_compose.height = f->fmt.pix.height;
5958 
5959 		/* WORKAROUND: this override is universally enabled in
5960 		 * GMIN to work around a CTS failures (GMINL-539)
5961 		 * which appears to be related by a hardware
5962 		 * performance limitation.  It's unclear why this
5963 		 * particular code triggers the issue. */
5964 		if (!atomisp_hw_is_isp2401 || crop_needs_override) {
5965 			if (isp_sink_crop.width * main_compose.height >
5966 			    isp_sink_crop.height * main_compose.width) {
5967 				sink_crop.height = isp_sink_crop.height;
5968 				sink_crop.width = DIV_NEAREST_STEP(
5969 						      sink_crop.height *
5970 						      f->fmt.pix.width,
5971 						      f->fmt.pix.height,
5972 						      ATOM_ISP_STEP_WIDTH);
5973 			} else {
5974 				sink_crop.width = isp_sink_crop.width;
5975 				sink_crop.height = DIV_NEAREST_STEP(
5976 						       sink_crop.width *
5977 						       f->fmt.pix.height,
5978 						       f->fmt.pix.width,
5979 						       ATOM_ISP_STEP_HEIGHT);
5980 			}
5981 			atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5982 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5983 						     ATOMISP_SUBDEV_PAD_SINK,
5984 						     V4L2_SEL_TGT_CROP,
5985 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5986 						     &sink_crop);
5987 		}
5988 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5989 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5990 					     source_pad,
5991 					     V4L2_SEL_TGT_COMPOSE, 0,
5992 					     &main_compose);
5993 	}
5994 
5995 set_fmt_to_isp:
5996 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
5997 				     &f->fmt.pix, source_pad);
5998 	if (ret) {
5999 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
6000 		return -EINVAL;
6001 	}
6002 done:
6003 	pipe->pix.width = f->fmt.pix.width;
6004 	pipe->pix.height = f->fmt.pix.height;
6005 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
6006 	if (format_bridge->planar) {
6007 		pipe->pix.bytesperline = output_info.padded_width;
6008 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
6009 						 DIV_ROUND_UP(format_bridge->depth *
6010 							 output_info.padded_width, 8));
6011 	} else {
6012 		pipe->pix.bytesperline =
6013 		    DIV_ROUND_UP(format_bridge->depth *
6014 				 output_info.padded_width, 8);
6015 		pipe->pix.sizeimage =
6016 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
6017 	}
6018 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6019 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6020 
6021 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
6022 		f->fmt.pix.field = V4L2_FIELD_NONE;
6023 	pipe->pix.field = f->fmt.pix.field;
6024 
6025 	f->fmt.pix = pipe->pix;
6026 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6027 				     pipe->pix.height * 2);
6028 
6029 	pipe->capq.field = f->fmt.pix.field;
6030 
6031 	/*
6032 	 * If in video 480P case, no GFX throttle
6033 	 */
6034 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6035 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6036 		isp->need_gfx_throttle = false;
6037 	else
6038 		isp->need_gfx_throttle = true;
6039 
6040 	return 0;
6041 }
6042 
6043 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6044 {
6045 	struct atomisp_device *isp = video_get_drvdata(vdev);
6046 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6047 	struct atomisp_sub_device *asd = pipe->asd;
6048 	struct v4l2_mbus_framefmt ffmt = {0};
6049 	const struct atomisp_format_bridge *format_bridge;
6050 	struct v4l2_subdev_fh fh;
6051 	int ret;
6052 
6053 	v4l2_fh_init(&fh.vfh, vdev);
6054 
6055 	dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6056 		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6057 	ret = atomisp_try_fmt_file(isp, f);
6058 	if (ret) {
6059 		dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6060 		return ret;
6061 	}
6062 
6063 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6064 	if (!format_bridge) {
6065 		dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6066 			f->fmt.pix.pixelformat);
6067 		return -EINVAL;
6068 	}
6069 
6070 	pipe->pix = f->fmt.pix;
6071 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6072 	atomisp_css_input_configure_port(asd,
6073 					 __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6074 					 0, 0, 0, 0);
6075 	ffmt.width = f->fmt.pix.width;
6076 	ffmt.height = f->fmt.pix.height;
6077 	ffmt.code = format_bridge->mbus_code;
6078 
6079 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad, V4L2_SUBDEV_FORMAT_ACTIVE,
6080 				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6081 
6082 	return 0;
6083 }
6084 
6085 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6086 			      struct atomisp_shading_table *user_shading_table)
6087 {
6088 	struct ia_css_shading_table *shading_table;
6089 	struct ia_css_shading_table *free_table;
6090 	unsigned int len_table;
6091 	int i;
6092 	int ret = 0;
6093 
6094 	if (!user_shading_table)
6095 		return -EINVAL;
6096 
6097 	if (!user_shading_table->enable) {
6098 		asd->params.config.shading_table = NULL;
6099 		asd->params.sc_en = false;
6100 		return 0;
6101 	}
6102 
6103 	/* If enabling, all tables must be set */
6104 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6105 		if (!user_shading_table->data[i])
6106 			return -EINVAL;
6107 	}
6108 
6109 	/* Shading table size per color */
6110 	if (!atomisp_hw_is_isp2401) {
6111 		if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6112 		    user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6113 			return -EINVAL;
6114 	} else {
6115 		if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6116 		    user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6117 			return -EINVAL;
6118 	}
6119 
6120 	shading_table = atomisp_css_shading_table_alloc(
6121 			    user_shading_table->width, user_shading_table->height);
6122 	if (!shading_table)
6123 		return -ENOMEM;
6124 
6125 	len_table = user_shading_table->width * user_shading_table->height *
6126 		    ATOMISP_SC_TYPE_SIZE;
6127 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6128 		ret = copy_from_user(shading_table->data[i],
6129 				     (void __user *)user_shading_table->data[i],
6130 				     len_table);
6131 		if (ret) {
6132 			free_table = shading_table;
6133 			ret = -EFAULT;
6134 			goto out;
6135 		}
6136 	}
6137 	shading_table->sensor_width = user_shading_table->sensor_width;
6138 	shading_table->sensor_height = user_shading_table->sensor_height;
6139 	shading_table->fraction_bits = user_shading_table->fraction_bits;
6140 
6141 	free_table = asd->params.css_param.shading_table;
6142 	asd->params.css_param.shading_table = shading_table;
6143 	asd->params.config.shading_table = shading_table;
6144 	asd->params.sc_en = true;
6145 
6146 out:
6147 	if (free_table)
6148 		atomisp_css_shading_table_free(free_table);
6149 
6150 	return ret;
6151 }
6152 
6153 /*Turn off ISP dphy */
6154 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6155 {
6156 	unsigned long flags;
6157 	u32 reg;
6158 
6159 	dev_dbg(isp->dev, "%s\n", __func__);
6160 
6161 	/* if ISP timeout, we can force powerdown */
6162 	if (isp->isp_timeout)
6163 		goto done;
6164 
6165 	if (!atomisp_dev_users(isp))
6166 		goto done;
6167 
6168 	spin_lock_irqsave(&isp->lock, flags);
6169 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6170 	spin_unlock_irqrestore(&isp->lock, flags);
6171 done:
6172 	/*
6173 	 * MRFLD IUNIT DPHY is located in an always-power-on island
6174 	 * MRFLD HW design need all CSI ports are disabled before
6175 	 * powering down the IUNIT.
6176 	 */
6177 	pci_read_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6178 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6179 	pci_write_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, reg);
6180 	return 0;
6181 }
6182 
6183 /*Turn on ISP dphy */
6184 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6185 {
6186 	unsigned long flags;
6187 
6188 	dev_dbg(isp->dev, "%s\n", __func__);
6189 
6190 	spin_lock_irqsave(&isp->lock, flags);
6191 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6192 	spin_unlock_irqrestore(&isp->lock, flags);
6193 
6194 	return 0;
6195 }
6196 
6197 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6198 			   struct atomisp_makernote_info *config)
6199 {
6200 	struct v4l2_control ctrl;
6201 	struct atomisp_device *isp = asd->isp;
6202 
6203 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6204 	if (v4l2_g_ctrl
6205 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6206 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6207 		return -EINVAL;
6208 	} else {
6209 		config->focal_length = ctrl.value;
6210 	}
6211 
6212 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6213 	if (v4l2_g_ctrl
6214 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6215 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6216 		return -EINVAL;
6217 	} else {
6218 		config->f_number_curr = ctrl.value;
6219 	}
6220 
6221 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
6222 	if (v4l2_g_ctrl
6223 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6224 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6225 		return -EINVAL;
6226 	} else {
6227 		config->f_number_range = ctrl.value;
6228 	}
6229 
6230 	return 0;
6231 }
6232 
6233 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6234 				      struct atomisp_cont_capture_conf *cvf_config)
6235 {
6236 	struct v4l2_ctrl *c;
6237 
6238 	/*
6239 	* In case of M10MO ZSL capture case, we need to issue a separate
6240 	* capture request to M10MO which will output captured jpeg image
6241 	*/
6242 	c = v4l2_ctrl_find(
6243 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6244 		V4L2_CID_START_ZSL_CAPTURE);
6245 	if (c) {
6246 		int ret;
6247 
6248 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6249 			__func__);
6250 		/* TODO: use the cvf_config */
6251 		ret = v4l2_ctrl_s_ctrl(c, 1);
6252 		if (ret)
6253 			return ret;
6254 
6255 		return v4l2_ctrl_s_ctrl(c, 0);
6256 	}
6257 
6258 	asd->params.offline_parm = *cvf_config;
6259 
6260 	if (asd->params.offline_parm.num_captures) {
6261 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6262 			unsigned int init_raw_num;
6263 
6264 			if (asd->enable_raw_buffer_lock->val) {
6265 				init_raw_num =
6266 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6267 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6268 				    asd->params.video_dis_en)
6269 					init_raw_num +=
6270 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6271 			} else {
6272 				init_raw_num =
6273 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6274 			}
6275 
6276 			/* TODO: this can be removed once user-space
6277 			 *       has been updated to use control API */
6278 			asd->continuous_raw_buffer_size->val =
6279 			    max_t(int,
6280 				  asd->continuous_raw_buffer_size->val,
6281 				  asd->params.offline_parm.
6282 				  num_captures + init_raw_num);
6283 			asd->continuous_raw_buffer_size->val =
6284 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
6285 				  asd->continuous_raw_buffer_size->val);
6286 		}
6287 		asd->continuous_mode->val = true;
6288 	} else {
6289 		asd->continuous_mode->val = false;
6290 		__enable_continuous_mode(asd, false);
6291 	}
6292 
6293 	return 0;
6294 }
6295 
6296 /*
6297  * set auto exposure metering window to camera sensor
6298  */
6299 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6300 			struct atomisp_ae_window *arg)
6301 {
6302 	struct atomisp_device *isp = asd->isp;
6303 	/* Coverity CID 298071 - initialzize struct */
6304 	struct v4l2_subdev_selection sel = { 0 };
6305 
6306 	sel.r.left = arg->x_left;
6307 	sel.r.top = arg->y_top;
6308 	sel.r.width = arg->x_right - arg->x_left + 1;
6309 	sel.r.height = arg->y_bottom - arg->y_top + 1;
6310 
6311 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6312 			     pad, set_selection, NULL, &sel)) {
6313 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
6314 		return -EINVAL;
6315 	}
6316 
6317 	return 0;
6318 }
6319 
6320 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6321 {
6322 	struct atomisp_device *isp = asd->isp;
6323 
6324 	if (num_frames < 0) {
6325 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6326 			num_frames);
6327 		return -EINVAL;
6328 	}
6329 	/* a requested flash is still in progress. */
6330 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6331 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6332 			__func__, asd->params.flash_state,
6333 			asd->params.num_flash_frames);
6334 		return -EBUSY;
6335 	}
6336 
6337 	asd->params.num_flash_frames = num_frames;
6338 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6339 	return 0;
6340 }
6341 
6342 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6343 				    uint16_t source_pad)
6344 {
6345 	int stream_id;
6346 	struct atomisp_device *isp = asd->isp;
6347 
6348 	if (isp->inputs[asd->input_curr].camera_caps->
6349 	    sensor[asd->sensor_curr].stream_num == 1)
6350 		return ATOMISP_INPUT_STREAM_GENERAL;
6351 
6352 	switch (source_pad) {
6353 	case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6354 		stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6355 		break;
6356 	case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6357 		stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6358 		break;
6359 	case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6360 		stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6361 		break;
6362 	case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6363 		stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6364 		break;
6365 	default:
6366 		stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6367 	}
6368 
6369 	return stream_id;
6370 }
6371 
6372 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6373 {
6374 	struct atomisp_sub_device *asd = pipe->asd;
6375 
6376 	if (pipe == &asd->video_out_vf)
6377 		return true;
6378 
6379 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6380 	    pipe == &asd->video_out_preview)
6381 		return true;
6382 
6383 	return false;
6384 }
6385 
6386 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6387 {
6388 	struct atomisp_device *isp = asd->isp;
6389 
6390 	if (!asd->enable_raw_buffer_lock->val) {
6391 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6392 		return -EINVAL;
6393 	}
6394 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6395 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6396 			__func__, exp_id, asd->streaming);
6397 		return -EINVAL;
6398 	}
6399 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6400 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6401 		return -EINVAL;
6402 	}
6403 	return 0;
6404 }
6405 
6406 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6407 {
6408 	unsigned long flags;
6409 
6410 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6411 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6412 	asd->raw_buffer_locked_count = 0;
6413 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6414 }
6415 
6416 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6417 {
6418 	int *bitmap, bit;
6419 	unsigned long flags;
6420 
6421 	if (__checking_exp_id(asd, exp_id))
6422 		return -EINVAL;
6423 
6424 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6425 	bit = exp_id % 32;
6426 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6427 	(*bitmap) |= (1 << bit);
6428 	asd->raw_buffer_locked_count++;
6429 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6430 
6431 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6432 		__func__, exp_id, asd->raw_buffer_locked_count);
6433 
6434 	/* Check if the raw buffer after next is still locked!!! */
6435 	exp_id += 2;
6436 	if (exp_id > ATOMISP_MAX_EXP_ID)
6437 		exp_id -= ATOMISP_MAX_EXP_ID;
6438 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6439 	bit = exp_id % 32;
6440 	if ((*bitmap) & (1 << bit)) {
6441 		int ret;
6442 
6443 		/* WORKAROUND unlock the raw buffer compulsively */
6444 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
6445 		if (ret) {
6446 			dev_err(asd->isp->dev,
6447 				"%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6448 				__func__, exp_id, ret);
6449 			return ret;
6450 		}
6451 
6452 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6453 		(*bitmap) &= ~(1 << bit);
6454 		asd->raw_buffer_locked_count--;
6455 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6456 		dev_warn(asd->isp->dev,
6457 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6458 			 __func__, exp_id, asd->raw_buffer_locked_count);
6459 	}
6460 	return 0;
6461 }
6462 
6463 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6464 {
6465 	int *bitmap, bit;
6466 	unsigned long flags;
6467 	int ret;
6468 
6469 	if (__checking_exp_id(asd, exp_id))
6470 		return -EINVAL;
6471 
6472 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6473 	bit = exp_id % 32;
6474 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6475 	ret = ((*bitmap) & (1 << bit));
6476 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6477 	return !ret;
6478 }
6479 
6480 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6481 {
6482 	int *bitmap, bit;
6483 	unsigned long flags;
6484 
6485 	if (__is_raw_buffer_locked(asd, exp_id))
6486 		return -EINVAL;
6487 
6488 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6489 	bit = exp_id % 32;
6490 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6491 	(*bitmap) &= ~(1 << bit);
6492 	asd->raw_buffer_locked_count--;
6493 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6494 
6495 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6496 		__func__, exp_id, asd->raw_buffer_locked_count);
6497 	return 0;
6498 }
6499 
6500 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
6501 {
6502 	struct atomisp_device *isp = asd->isp;
6503 	int value = *exp_id;
6504 	int ret;
6505 
6506 	ret = __is_raw_buffer_locked(asd, value);
6507 	if (ret) {
6508 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6509 		return -EINVAL;
6510 	}
6511 
6512 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6513 	ret = atomisp_css_exp_id_capture(asd, value);
6514 	if (ret) {
6515 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6516 		return -EIO;
6517 	}
6518 	return 0;
6519 }
6520 
6521 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6522 {
6523 	struct atomisp_device *isp = asd->isp;
6524 	int value = *exp_id;
6525 	int ret;
6526 
6527 	ret = __clear_raw_buffer_bitmap(asd, value);
6528 	if (ret) {
6529 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6530 		return -EINVAL;
6531 	}
6532 
6533 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6534 	ret = atomisp_css_exp_id_unlock(asd, value);
6535 	if (ret)
6536 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6537 			__func__, value, ret);
6538 
6539 	return ret;
6540 }
6541 
6542 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6543 				unsigned int *enable)
6544 {
6545 	bool value;
6546 
6547 	if (!enable)
6548 		return -EINVAL;
6549 
6550 	value = *enable > 0 ? true : false;
6551 
6552 	atomisp_en_dz_capt_pipe(asd, value);
6553 
6554 	return 0;
6555 }
6556 
6557 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6558 {
6559 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6560 		return -EINVAL;
6561 
6562 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6563 		__func__, *event);
6564 
6565 	switch (*event) {
6566 	case V4L2_EVENT_FRAME_SYNC:
6567 		atomisp_sof_event(asd);
6568 		break;
6569 	case V4L2_EVENT_FRAME_END:
6570 		atomisp_eof_event(asd, 0);
6571 		break;
6572 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6573 		atomisp_3a_stats_ready_event(asd, 0);
6574 		break;
6575 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6576 		atomisp_metadata_ready_event(asd, 0);
6577 		break;
6578 	default:
6579 		return -EINVAL;
6580 	}
6581 
6582 	return 0;
6583 }
6584 
6585 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6586 {
6587 	struct atomisp_sub_device *asd = pipe->asd;
6588 
6589 	if (ATOMISP_USE_YUVPP(asd))
6590 		return IA_CSS_PIPE_ID_YUVPP;
6591 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
6592 		return IA_CSS_PIPE_ID_VIDEO;
6593 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
6594 		return IA_CSS_PIPE_ID_CAPTURE;
6595 	else if (pipe == &asd->video_out_video_capture)
6596 		return IA_CSS_PIPE_ID_VIDEO;
6597 	else if (pipe == &asd->video_out_vf)
6598 		return IA_CSS_PIPE_ID_CAPTURE;
6599 	else if (pipe == &asd->video_out_preview) {
6600 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6601 			return IA_CSS_PIPE_ID_VIDEO;
6602 		else
6603 			return IA_CSS_PIPE_ID_PREVIEW;
6604 	} else if (pipe == &asd->video_out_capture) {
6605 		if (asd->copy_mode)
6606 			return IA_CSS_PIPE_ID_COPY;
6607 		else
6608 			return IA_CSS_PIPE_ID_CAPTURE;
6609 	}
6610 
6611 	/* fail through */
6612 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6613 		 __func__);
6614 	return IA_CSS_PIPE_ID_CAPTURE;
6615 }
6616 
6617 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6618 				  int *invalid_frame_num)
6619 {
6620 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6621 	struct atomisp_sub_device *asd = pipe->asd;
6622 	enum ia_css_pipe_id pipe_id;
6623 	struct ia_css_pipe_info p_info;
6624 	int ret;
6625 
6626 	if (asd->isp->inputs[asd->input_curr].camera_caps->
6627 	    sensor[asd->sensor_curr].stream_num > 1) {
6628 		/* External ISP */
6629 		*invalid_frame_num = 0;
6630 		return 0;
6631 	}
6632 
6633 	pipe_id = atomisp_get_pipe_id(pipe);
6634 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6635 		dev_warn(asd->isp->dev,
6636 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6637 			 __func__, pipe_id);
6638 		return -EINVAL;
6639 	}
6640 
6641 	ret = ia_css_pipe_get_info(
6642 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6643 		  .pipes[pipe_id], &p_info);
6644 	if (!ret) {
6645 		*invalid_frame_num = p_info.num_invalid_frames;
6646 		return 0;
6647 	} else {
6648 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6649 			 __func__, ret);
6650 		return -EINVAL;
6651 	}
6652 }
6653