1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Support for Medifield PNW Camera Imaging ISP subsystem.
4 *
5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6 *
7 * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License version
11 * 2 as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 *
19 */
20#include <linux/errno.h>
21#include <linux/firmware.h>
22#include <linux/pci.h>
23#include <linux/interrupt.h>
24#include <linux/io.h>
25#include <linux/kernel.h>
26#include <linux/kfifo.h>
27#include <linux/pm_runtime.h>
28#include <linux/timer.h>
29
30#include <asm/iosf_mbi.h>
31
32#include <media/v4l2-event.h>
33
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_compat.h"
45#include "atomisp_subdev.h"
46#include "atomisp_dfs_tables.h"
47
48#include <hmm/hmm.h>
49
50#include "sh_css_hrt.h"
51#include "sh_css_defs.h"
52#include "system_global.h"
53#include "sh_css_internal.h"
54#include "sh_css_sp.h"
55#include "gp_device.h"
56#include "device_access.h"
57#include "irq.h"
58
59#include "ia_css_types.h"
60#include "ia_css_stream.h"
61#include "ia_css_debug.h"
62#include "bits.h"
63
64/* We should never need to run the flash for more than 2 frames.
65 * At 15fps this means 133ms. We set the timeout a bit longer.
66 * Each flash driver is supposed to set its own timeout, but
67 * just in case someone else changed the timeout, we set it
68 * here to make sure we don't damage the flash hardware. */
69#define FLASH_TIMEOUT 800 /* ms */
70
71union host {
72	struct {
73		void *kernel_ptr;
74		void __user *user_ptr;
75		int size;
76	} scalar;
77	struct {
78		void *hmm_ptr;
79	} ptr;
80};
81
82/*
83 * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
84 * subdev->priv is set in mrst.c
85 */
86struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
87{
88	return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
89}
90
91/*
92 * get struct atomisp_video_pipe from v4l2 video_device
93 */
94struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
95{
96	return (struct atomisp_video_pipe *)
97	       container_of(dev, struct atomisp_video_pipe, vdev);
98}
99
100static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
101{
102	struct v4l2_subdev_frame_interval fi = { 0 };
103	struct atomisp_device *isp = asd->isp;
104
105	unsigned short fps = 0;
106	int ret;
107
108	ret = v4l2_subdev_call_state_active(isp->inputs[asd->input_curr].camera,
109					    pad, get_frame_interval, &fi);
110
111	if (!ret && fi.interval.numerator)
112		fps = fi.interval.denominator / fi.interval.numerator;
113
114	return fps;
115}
116
117/*
118 * DFS progress is shown as follows:
119 * 1. Target frequency is calculated according to FPS/Resolution/ISP running
120 *    mode.
121 * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
122 *    with proper rounding.
123 * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
124 *    to 200MHz in ISPSSPM1.
125 * 4. Wait for FREQVALID to be cleared by P-Unit.
126 * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
127 */
128static int write_target_freq_to_hw(struct atomisp_device *isp,
129				   unsigned int new_freq)
130{
131	unsigned int ratio, timeout, guar_ratio;
132	u32 isp_sspm1 = 0;
133	int i;
134
135	if (!isp->hpll_freq) {
136		dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
137		return -EINVAL;
138	}
139
140	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
141	if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
142		dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
143		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
144			       isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
145	}
146
147	ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
148	guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
149
150	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
151	isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
152
153	for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
154		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
155			       isp_sspm1
156			       | ratio << ISP_REQ_FREQ_OFFSET
157			       | 1 << ISP_FREQ_VALID_OFFSET
158			       | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
159
160		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
161		timeout = 20;
162		while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
163			iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
164			dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
165			udelay(100);
166			timeout--;
167		}
168
169		if (timeout != 0)
170			break;
171	}
172
173	if (timeout == 0) {
174		dev_err(isp->dev, "DFS failed due to HW error.\n");
175		return -EINVAL;
176	}
177
178	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
179	timeout = 10;
180	while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
181		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
182		dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
183			new_freq);
184		udelay(100);
185		timeout--;
186	}
187	if (timeout == 0) {
188		dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
189		return -EINVAL;
190	}
191
192	return 0;
193}
194
195int atomisp_freq_scaling(struct atomisp_device *isp,
196			 enum atomisp_dfs_mode mode,
197			 bool force)
198{
199	const struct atomisp_dfs_config *dfs;
200	unsigned int new_freq;
201	struct atomisp_freq_scaling_rule curr_rules;
202	int i, ret;
203	unsigned short fps = 0;
204
205	dfs = isp->dfs;
206
207	if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
208	    dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
209	    !dfs->dfs_table) {
210		dev_err(isp->dev, "DFS configuration is invalid.\n");
211		return -EINVAL;
212	}
213
214	if (mode == ATOMISP_DFS_MODE_LOW) {
215		new_freq = dfs->lowest_freq;
216		goto done;
217	}
218
219	if (mode == ATOMISP_DFS_MODE_MAX) {
220		new_freq = dfs->highest_freq;
221		goto done;
222	}
223
224	fps = atomisp_get_sensor_fps(&isp->asd);
225	if (fps == 0) {
226		dev_info(isp->dev,
227			 "Sensor didn't report FPS. Using DFS max mode.\n");
228		new_freq = dfs->highest_freq;
229		goto done;
230	}
231
232	curr_rules.width = isp->asd.fmt[ATOMISP_SUBDEV_PAD_SOURCE].fmt.width;
233	curr_rules.height = isp->asd.fmt[ATOMISP_SUBDEV_PAD_SOURCE].fmt.height;
234	curr_rules.fps = fps;
235	curr_rules.run_mode = isp->asd.run_mode->val;
236
237	/* search for the target frequency by looping freq rules*/
238	for (i = 0; i < dfs->dfs_table_size; i++) {
239		if (curr_rules.width != dfs->dfs_table[i].width &&
240		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
241			continue;
242		if (curr_rules.height != dfs->dfs_table[i].height &&
243		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
244			continue;
245		if (curr_rules.fps != dfs->dfs_table[i].fps &&
246		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
247			continue;
248		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
249		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
250			continue;
251		break;
252	}
253
254	if (i == dfs->dfs_table_size)
255		new_freq = dfs->max_freq_at_vmin;
256	else
257		new_freq = dfs->dfs_table[i].isp_freq;
258
259done:
260	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
261
262	if ((new_freq == isp->running_freq) && !force)
263		return 0;
264
265	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
266
267	ret = write_target_freq_to_hw(isp, new_freq);
268	if (!ret) {
269		isp->running_freq = new_freq;
270		trace_ipu_pstate(new_freq, -1);
271	}
272	return ret;
273}
274
275/*
276 * reset and restore ISP
277 */
278int atomisp_reset(struct atomisp_device *isp)
279{
280	/* Reset ISP by power-cycling it */
281	int ret = 0;
282
283	dev_dbg(isp->dev, "%s\n", __func__);
284
285	ret = atomisp_power_off(isp->dev);
286	if (ret < 0)
287		dev_err(isp->dev, "atomisp_power_off failed, %d\n", ret);
288
289	ret = atomisp_power_on(isp->dev);
290	if (ret < 0) {
291		dev_err(isp->dev, "atomisp_power_on failed, %d\n", ret);
292		isp->isp_fatal_error = true;
293	}
294
295	return ret;
296}
297
298/*
299 * interrupt disable functions
300 */
301static void disable_isp_irq(enum hrt_isp_css_irq irq)
302{
303	irq_disable_channel(IRQ0_ID, irq);
304
305	if (irq != hrt_isp_css_irq_sp)
306		return;
307
308	cnd_sp_irq_enable(SP0_ID, false);
309}
310
311/*
312 * interrupt clean function
313 */
314static void clear_isp_irq(enum hrt_isp_css_irq irq)
315{
316	irq_clear_all(IRQ0_ID);
317}
318
319void atomisp_msi_irq_init(struct atomisp_device *isp)
320{
321	struct pci_dev *pdev = to_pci_dev(isp->dev);
322	u32 msg32;
323	u16 msg16;
324
325	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
326	msg32 |= 1 << MSI_ENABLE_BIT;
327	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
328
329	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
330	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
331
332	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
333	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
334		  PCI_COMMAND_INTX_DISABLE);
335	pci_write_config_word(pdev, PCI_COMMAND, msg16);
336}
337
338void atomisp_msi_irq_uninit(struct atomisp_device *isp)
339{
340	struct pci_dev *pdev = to_pci_dev(isp->dev);
341	u32 msg32;
342	u16 msg16;
343
344	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
345	msg32 &=  ~(1 << MSI_ENABLE_BIT);
346	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
347
348	msg32 = 0x0;
349	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
350
351	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
352	msg16 &= ~(PCI_COMMAND_MASTER);
353	pci_write_config_word(pdev, PCI_COMMAND, msg16);
354}
355
356static void atomisp_sof_event(struct atomisp_sub_device *asd)
357{
358	struct v4l2_event event = {0};
359
360	event.type = V4L2_EVENT_FRAME_SYNC;
361	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
362
363	v4l2_event_queue(asd->subdev.devnode, &event);
364}
365
366void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
367{
368	struct v4l2_event event = {0};
369
370	event.type = V4L2_EVENT_FRAME_END;
371	event.u.frame_sync.frame_sequence = exp_id;
372
373	v4l2_event_queue(asd->subdev.devnode, &event);
374}
375
376static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
377	uint8_t exp_id)
378{
379	struct v4l2_event event = {0};
380
381	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
382	event.u.frame_sync.frame_sequence = exp_id;
383
384	v4l2_event_queue(asd->subdev.devnode, &event);
385}
386
387static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
388	enum atomisp_metadata_type md_type)
389{
390	struct v4l2_event event = {0};
391
392	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
393	event.u.data[0] = md_type;
394
395	v4l2_event_queue(asd->subdev.devnode, &event);
396}
397
398static void atomisp_reset_event(struct atomisp_sub_device *asd)
399{
400	struct v4l2_event event = {0};
401
402	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
403
404	v4l2_event_queue(asd->subdev.devnode, &event);
405}
406
407static void print_csi_rx_errors(enum mipi_port_id port,
408				struct atomisp_device *isp)
409{
410	u32 infos = 0;
411
412	atomisp_css_rx_get_irq_info(port, &infos);
413
414	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
415	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
416		dev_err(isp->dev, "  buffer overrun");
417	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
418		dev_err(isp->dev, "  start-of-transmission error");
419	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
420		dev_err(isp->dev, "  start-of-transmission sync error");
421	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
422		dev_err(isp->dev, "  control error");
423	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
424		dev_err(isp->dev, "  2 or more ECC errors");
425	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
426		dev_err(isp->dev, "  CRC mismatch");
427	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
428		dev_err(isp->dev, "  unknown error");
429	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
430		dev_err(isp->dev, "  frame sync error");
431	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
432		dev_err(isp->dev, "  frame data error");
433	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
434		dev_err(isp->dev, "  data timeout");
435	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
436		dev_err(isp->dev, "  unknown escape command entry");
437	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
438		dev_err(isp->dev, "  line sync error");
439}
440
441/* Clear irq reg */
442static void clear_irq_reg(struct atomisp_device *isp)
443{
444	struct pci_dev *pdev = to_pci_dev(isp->dev);
445	u32 msg_ret;
446
447	pci_read_config_dword(pdev, PCI_INTERRUPT_CTRL, &msg_ret);
448	msg_ret |= 1 << INTR_IIR;
449	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg_ret);
450}
451
452/* interrupt handling function*/
453irqreturn_t atomisp_isr(int irq, void *dev)
454{
455	struct atomisp_device *isp = (struct atomisp_device *)dev;
456	struct atomisp_css_event eof_event;
457	unsigned int irq_infos = 0;
458	unsigned long flags;
459	int err;
460
461	spin_lock_irqsave(&isp->lock, flags);
462
463	if (!isp->css_initialized) {
464		spin_unlock_irqrestore(&isp->lock, flags);
465		return IRQ_HANDLED;
466	}
467	err = atomisp_css_irq_translate(isp, &irq_infos);
468	if (err) {
469		spin_unlock_irqrestore(&isp->lock, flags);
470		return IRQ_NONE;
471	}
472
473	clear_irq_reg(isp);
474
475	if (!isp->asd.streaming)
476		goto out_nowake;
477
478	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
479		atomic_inc(&isp->asd.sof_count);
480		atomisp_sof_event(&isp->asd);
481
482		/*
483		 * If sequence_temp and sequence are the same there where no frames
484		 * lost so we can increase sequence_temp.
485		 * If not then processing of frame is still in progress and driver
486		 * needs to keep old sequence_temp value.
487		 * NOTE: There is assumption here that ISP will not start processing
488		 * next frame from sensor before old one is completely done.
489		 */
490		if (atomic_read(&isp->asd.sequence) == atomic_read(&isp->asd.sequence_temp))
491			atomic_set(&isp->asd.sequence_temp, atomic_read(&isp->asd.sof_count));
492
493		dev_dbg_ratelimited(isp->dev, "irq:0x%x (SOF)\n", irq_infos);
494		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
495	}
496
497	if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
498		atomic_set(&isp->asd.sequence, atomic_read(&isp->asd.sequence_temp));
499
500	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
501	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
502		/* handle mipi receiver error */
503		u32 rx_infos;
504		enum mipi_port_id port;
505
506		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
507		     port++) {
508			print_csi_rx_errors(port, isp);
509			atomisp_css_rx_get_irq_info(port, &rx_infos);
510			atomisp_css_rx_clear_irq_info(port, rx_infos);
511		}
512	}
513
514	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
515		while (ia_css_dequeue_isys_event(&eof_event.event) == 0) {
516			atomisp_eof_event(&isp->asd, eof_event.event.exp_id);
517			dev_dbg_ratelimited(isp->dev, "ISYS event: EOF exp_id %d\n",
518					    eof_event.event.exp_id);
519		}
520
521		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
522		if (irq_infos == 0)
523			goto out_nowake;
524	}
525
526	spin_unlock_irqrestore(&isp->lock, flags);
527
528	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
529
530	return IRQ_WAKE_THREAD;
531
532out_nowake:
533	spin_unlock_irqrestore(&isp->lock, flags);
534
535	if (irq_infos)
536		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
537				    irq_infos);
538
539	return IRQ_HANDLED;
540}
541
542void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
543{
544	int i;
545
546	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
547	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
548		memset(asd->metadata_bufs_in_css[i], 0,
549		       sizeof(asd->metadata_bufs_in_css[i]));
550	asd->dis_bufs_in_css = 0;
551}
552
553/* 0x100000 is the start of dmem inside SP */
554#define SP_DMEM_BASE	0x100000
555
556void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
557		  unsigned int size)
558{
559	unsigned int data = 0;
560	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
561
562	dev_dbg(isp->dev, "atomisp mmio base: %p\n", isp->base);
563	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
564		addr, size, size32);
565	if (size32 * 4 + addr > 0x4000) {
566		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
567			size32, addr);
568		return;
569	}
570	addr += SP_DMEM_BASE;
571	addr &= 0x003FFFFF;
572	do {
573		data = readl(isp->base + addr);
574		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
575		addr += sizeof(u32);
576	} while (--size32);
577}
578
579int atomisp_buffers_in_css(struct atomisp_video_pipe *pipe)
580{
581	unsigned long irqflags;
582	struct list_head *pos;
583	int buffers_in_css = 0;
584
585	spin_lock_irqsave(&pipe->irq_lock, irqflags);
586
587	list_for_each(pos, &pipe->buffers_in_css)
588		buffers_in_css++;
589
590	spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
591
592	return buffers_in_css;
593}
594
595void atomisp_buffer_done(struct ia_css_frame *frame, enum vb2_buffer_state state)
596{
597	struct atomisp_video_pipe *pipe = vb_to_pipe(&frame->vb.vb2_buf);
598
599	lockdep_assert_held(&pipe->irq_lock);
600
601	frame->vb.vb2_buf.timestamp = ktime_get_ns();
602	frame->vb.field = pipe->pix.field;
603	frame->vb.sequence = atomic_read(&pipe->asd->sequence);
604	list_del(&frame->queue);
605	if (state == VB2_BUF_STATE_DONE)
606		vb2_set_plane_payload(&frame->vb.vb2_buf, 0, pipe->pix.sizeimage);
607	vb2_buffer_done(&frame->vb.vb2_buf, state);
608}
609
610void atomisp_flush_video_pipe(struct atomisp_video_pipe *pipe, enum vb2_buffer_state state,
611			      bool warn_on_css_frames)
612{
613	struct ia_css_frame *frame, *_frame;
614	unsigned long irqflags;
615
616	spin_lock_irqsave(&pipe->irq_lock, irqflags);
617
618	list_for_each_entry_safe(frame, _frame, &pipe->buffers_in_css, queue) {
619		if (warn_on_css_frames)
620			dev_warn(pipe->isp->dev, "Warning: CSS frames queued on flush\n");
621		atomisp_buffer_done(frame, state);
622	}
623
624	list_for_each_entry_safe(frame, _frame, &pipe->activeq, queue)
625		atomisp_buffer_done(frame, state);
626
627	list_for_each_entry_safe(frame, _frame, &pipe->buffers_waiting_for_param, queue) {
628		pipe->frame_request_config_id[frame->vb.vb2_buf.index] = 0;
629		atomisp_buffer_done(frame, state);
630	}
631
632	spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
633}
634
635/* clean out the parameters that did not apply */
636void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
637{
638	struct atomisp_css_params_with_list *param;
639
640	while (!list_empty(&pipe->per_frame_params)) {
641		param = list_entry(pipe->per_frame_params.next,
642				   struct atomisp_css_params_with_list, list);
643		list_del(&param->list);
644		atomisp_free_css_parameters(&param->params);
645		kvfree(param);
646	}
647}
648
649/* Re-queue per-frame parameters */
650static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
651{
652	struct atomisp_css_params_with_list *param;
653	int i;
654
655	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
656		param = pipe->frame_params[i];
657		if (param)
658			list_add_tail(&param->list, &pipe->per_frame_params);
659		pipe->frame_params[i] = NULL;
660	}
661	atomisp_handle_parameter_and_buffer(pipe);
662}
663
664void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
665		      enum ia_css_buffer_type buf_type,
666		      enum ia_css_pipe_id css_pipe_id,
667		      bool q_buffers, enum atomisp_input_stream_id stream_id)
668{
669	struct atomisp_video_pipe *pipe = NULL;
670	struct atomisp_css_buffer buffer;
671	bool requeue = false;
672	unsigned long irqflags;
673	struct ia_css_frame *frame = NULL;
674	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp, *s3a_iter;
675	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp, *dis_iter;
676	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp, *md_iter;
677	enum atomisp_metadata_type md_type;
678	struct atomisp_device *isp = asd->isp;
679	struct v4l2_control ctrl;
680	int i, err;
681
682	lockdep_assert_held(&isp->mutex);
683
684	if (
685	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
686	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
687	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
688	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
689	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
690	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
691	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
692	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
693		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
694			__func__, buf_type);
695		return;
696	}
697
698	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
699	buffer.css_buffer.type = buf_type;
700	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
701					 buf_type, &buffer);
702	if (err) {
703		dev_err(isp->dev,
704			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
705		return;
706	}
707
708	switch (buf_type) {
709	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
710		list_for_each_entry_safe(s3a_iter, _s3a_buf_tmp,
711					 &asd->s3a_stats_in_css, list) {
712			if (s3a_iter->s3a_data ==
713			    buffer.css_buffer.data.stats_3a) {
714				list_del_init(&s3a_iter->list);
715				list_add_tail(&s3a_iter->list,
716					      &asd->s3a_stats_ready);
717				s3a_buf = s3a_iter;
718				break;
719			}
720		}
721
722		asd->s3a_bufs_in_css[css_pipe_id]--;
723		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
724		if (s3a_buf)
725			dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
726				__func__, s3a_buf->s3a_data->exp_id);
727		else
728			dev_dbg(isp->dev, "%s: s3a stat is ready with no exp_id found\n",
729				__func__);
730		break;
731	case IA_CSS_BUFFER_TYPE_METADATA:
732		if (error)
733			break;
734
735		md_type = ATOMISP_MAIN_METADATA;
736		list_for_each_entry_safe(md_iter, _md_buf_tmp,
737					 &asd->metadata_in_css[md_type], list) {
738			if (md_iter->metadata ==
739			    buffer.css_buffer.data.metadata) {
740				list_del_init(&md_iter->list);
741				list_add_tail(&md_iter->list,
742					      &asd->metadata_ready[md_type]);
743				md_buf = md_iter;
744				break;
745			}
746		}
747		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
748		atomisp_metadata_ready_event(asd, md_type);
749		if (md_buf)
750			dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
751				__func__, md_buf->metadata->exp_id);
752		else
753			dev_dbg(isp->dev, "%s: metadata is ready with no exp_id found\n",
754				__func__);
755		break;
756	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
757		list_for_each_entry_safe(dis_iter, _dis_buf_tmp,
758					 &asd->dis_stats_in_css, list) {
759			if (dis_iter->dis_data ==
760			    buffer.css_buffer.data.stats_dvs) {
761				spin_lock_irqsave(&asd->dis_stats_lock,
762						  irqflags);
763				list_del_init(&dis_iter->list);
764				list_add(&dis_iter->list, &asd->dis_stats);
765				asd->params.dis_proj_data_valid = true;
766				spin_unlock_irqrestore(&asd->dis_stats_lock,
767						       irqflags);
768				dis_buf = dis_iter;
769				break;
770			}
771		}
772		asd->dis_bufs_in_css--;
773		if (dis_buf)
774			dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
775				__func__, dis_buf->dis_data->exp_id);
776		else
777			dev_dbg(isp->dev, "%s: dis stat is ready with no exp_id found\n",
778				__func__);
779		break;
780	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
781	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
782		frame = buffer.css_buffer.data.frame;
783		if (!frame) {
784			WARN_ON(1);
785			break;
786		}
787		if (!frame->valid)
788			error = true;
789
790		pipe = vb_to_pipe(&frame->vb.vb2_buf);
791
792		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
793			__func__, frame->exp_id);
794		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
795			if (frame->flash_state
796			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
797				dev_dbg(isp->dev, "%s thumb partially flashed\n",
798					__func__);
799			else if (frame->flash_state
800				 == IA_CSS_FRAME_FLASH_STATE_FULL)
801				dev_dbg(isp->dev, "%s thumb completely flashed\n",
802					__func__);
803			else
804				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
805					__func__);
806		}
807		pipe->frame_config_id[frame->vb.vb2_buf.index] = frame->isp_config_id;
808		break;
809	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
810	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
811		frame = buffer.css_buffer.data.frame;
812		if (!frame) {
813			WARN_ON(1);
814			break;
815		}
816
817		if (!frame->valid)
818			error = true;
819
820		pipe = vb_to_pipe(&frame->vb.vb2_buf);
821
822		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
823			__func__, frame->exp_id);
824
825		i = frame->vb.vb2_buf.index;
826
827		/* free the parameters */
828		if (pipe->frame_params[i]) {
829			if (asd->params.dvs_6axis == pipe->frame_params[i]->params.dvs_6axis)
830				asd->params.dvs_6axis = NULL;
831			atomisp_free_css_parameters(&pipe->frame_params[i]->params);
832			kvfree(pipe->frame_params[i]);
833			pipe->frame_params[i] = NULL;
834		}
835
836		pipe->frame_config_id[i] = frame->isp_config_id;
837		ctrl.id = V4L2_CID_FLASH_MODE;
838		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
839			if (frame->flash_state == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
840				asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
841				dev_dbg(isp->dev, "%s partially flashed\n", __func__);
842			} else if (frame->flash_state == IA_CSS_FRAME_FLASH_STATE_FULL) {
843				asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
844				asd->params.num_flash_frames--;
845				dev_dbg(isp->dev, "%s completely flashed\n", __func__);
846			} else {
847				asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
848				dev_dbg(isp->dev, "%s no flash in this frame\n", __func__);
849			}
850
851			/* Check if flashing sequence is done */
852			if (asd->frame_status[i] == ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
853				asd->params.flash_state = ATOMISP_FLASH_DONE;
854		} else if (isp->flash) {
855			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) == 0 &&
856			    ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
857				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
858				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) == 0 &&
859				    ctrl.value > 0)
860					asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
861				else
862					asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
863			} else {
864				asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
865			}
866		} else {
867			asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
868		}
869
870		asd->params.last_frame_status = asd->frame_status[i];
871
872		if (asd->params.css_update_params_needed) {
873			atomisp_apply_css_parameters(asd,
874						     &asd->params.css_param);
875			if (asd->params.css_param.update_flag.dz_config)
876				asd->params.config.dz_config = &asd->params.css_param.dz_config;
877			/* New global dvs 6axis config should be blocked
878			 * here if there's a buffer with per-frame parameters
879			 * pending in CSS frame buffer queue.
880			 * This is to aviod zooming vibration since global
881			 * parameters take effect immediately while
882			 * per-frame parameters are taken after previous
883			 * buffers in CSS got processed.
884			 */
885			if (asd->params.dvs_6axis)
886				atomisp_css_set_dvs_6axis(asd,
887							  asd->params.dvs_6axis);
888			else
889				asd->params.css_update_params_needed = false;
890			/* The update flag should not be cleaned here
891			 * since it is still going to be used to make up
892			 * following per-frame parameters.
893			 * This will introduce more copy work since each
894			 * time when updating global parameters, the whole
895			 * parameter set are applied.
896			 * FIXME: A new set of parameter copy functions can
897			 * be added to make up per-frame parameters based on
898			 * solid structures stored in asd->params.css_param
899			 * instead of using shadow pointers in update flag.
900			 */
901			atomisp_css_update_isp_params(asd);
902		}
903		break;
904	default:
905		break;
906	}
907	if (frame) {
908		spin_lock_irqsave(&pipe->irq_lock, irqflags);
909		atomisp_buffer_done(frame, error ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
910		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
911	}
912
913	/*
914	 * Requeue should only be done for 3a and dis buffers.
915	 * Queue/dequeue order will change if driver recycles image buffers.
916	 */
917	if (requeue) {
918		err = atomisp_css_queue_buffer(asd,
919					       stream_id, css_pipe_id,
920					       buf_type, &buffer);
921		if (err)
922			dev_err(isp->dev, "%s, q to css fails: %d\n",
923				__func__, err);
924		return;
925	}
926	if (!error && q_buffers)
927		atomisp_qbuffers_to_css(asd);
928}
929
930void atomisp_assert_recovery_work(struct work_struct *work)
931{
932	struct atomisp_device *isp = container_of(work, struct atomisp_device,
933						  assert_recovery_work);
934	struct pci_dev *pdev = to_pci_dev(isp->dev);
935	unsigned long flags;
936	int ret;
937
938	mutex_lock(&isp->mutex);
939
940	if (!isp->asd.streaming)
941		goto out_unlock;
942
943	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
944
945	spin_lock_irqsave(&isp->lock, flags);
946	isp->asd.streaming = false;
947	spin_unlock_irqrestore(&isp->lock, flags);
948
949	/* stream off sensor */
950	ret = v4l2_subdev_call(isp->inputs[isp->asd.input_curr].camera, video, s_stream, 0);
951	if (ret)
952		dev_warn(isp->dev, "Stopping sensor stream failed: %d\n", ret);
953
954	atomisp_clear_css_buffer_counters(&isp->asd);
955
956	atomisp_css_stop(&isp->asd, true);
957
958	isp->asd.preview_exp_id = 1;
959	isp->asd.postview_exp_id = 1;
960	/* notify HAL the CSS reset */
961	dev_dbg(isp->dev, "send reset event to %s\n", isp->asd.subdev.devnode->name);
962	atomisp_reset_event(&isp->asd);
963
964	/* clear irq */
965	disable_isp_irq(hrt_isp_css_irq_sp);
966	clear_isp_irq(hrt_isp_css_irq_sp);
967
968	/* Set the SRSE to 3 before resetting */
969	pci_write_config_dword(pdev, PCI_I_CONTROL,
970			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
971
972	/* reset ISP and restore its state */
973	atomisp_reset(isp);
974
975	atomisp_css_input_set_mode(&isp->asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
976
977	/* Recreate streams destroyed by atomisp_css_stop() */
978	atomisp_create_pipes_stream(&isp->asd);
979
980	/* Invalidate caches. FIXME: should flush only necessary buffers */
981	wbinvd();
982
983	if (atomisp_css_start(&isp->asd)) {
984		dev_warn(isp->dev, "start SP failed, so do not set streaming to be enable!\n");
985	} else {
986		spin_lock_irqsave(&isp->lock, flags);
987		isp->asd.streaming = true;
988		spin_unlock_irqrestore(&isp->lock, flags);
989	}
990
991	atomisp_csi2_configure(&isp->asd);
992
993	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
994			       atomisp_css_valid_sof(isp));
995
996	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
997		dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
998
999	/* Dequeueing buffers is not needed, CSS will recycle buffers that it has */
1000	atomisp_flush_video_pipe(&isp->asd.video_out, VB2_BUF_STATE_ERROR, false);
1001
1002	/* Requeue unprocessed per-frame parameters. */
1003	atomisp_recover_params_queue(&isp->asd.video_out);
1004
1005	ret = v4l2_subdev_call(isp->inputs[isp->asd.input_curr].camera, video, s_stream, 1);
1006	if (ret)
1007		dev_err(isp->dev, "Starting sensor stream failed: %d\n", ret);
1008
1009out_unlock:
1010	mutex_unlock(&isp->mutex);
1011}
1012
1013void atomisp_setup_flash(struct atomisp_sub_device *asd)
1014{
1015	struct atomisp_device *isp = asd->isp;
1016	struct v4l2_control ctrl;
1017
1018	if (!isp->flash)
1019		return;
1020
1021	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1022	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1023		return;
1024
1025	if (asd->params.num_flash_frames) {
1026		/* make sure the timeout is set before setting flash mode */
1027		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1028		ctrl.value = FLASH_TIMEOUT;
1029
1030		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1031			dev_err(isp->dev, "flash timeout configure failed\n");
1032			return;
1033		}
1034
1035		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1036
1037		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1038	} else {
1039		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1040	}
1041}
1042
1043irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1044{
1045	struct atomisp_device *isp = isp_ptr;
1046	unsigned long flags;
1047
1048	dev_dbg(isp->dev, ">%s\n", __func__);
1049
1050	spin_lock_irqsave(&isp->lock, flags);
1051
1052	if (!isp->asd.streaming) {
1053		spin_unlock_irqrestore(&isp->lock, flags);
1054		return IRQ_HANDLED;
1055	}
1056
1057	spin_unlock_irqrestore(&isp->lock, flags);
1058
1059	/*
1060	 * The standard CSS2.0 API tells the following calling sequence of
1061	 * dequeue ready buffers:
1062	 * while (ia_css_dequeue_psys_event(...)) {
1063	 *	switch (event.type) {
1064	 *	...
1065	 *	ia_css_pipe_dequeue_buffer()
1066	 *	}
1067	 * }
1068	 * That is, dequeue event and buffer are one after another.
1069	 *
1070	 * But the following implementation is to first deuque all the event
1071	 * to a FIFO, then process the event in the FIFO.
1072	 * This will not have issue in single stream mode, but it do have some
1073	 * issue in multiple stream case. The issue is that
1074	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1075	 * a specific pipe.
1076	 *
1077	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1078	 * ia_css_pipe parameter.
1079	 *
1080	 * So:
1081	 * For CSS2.0: we change the way to not dequeue all the event at one
1082	 * time, instead, dequue one and process one, then another
1083	 */
1084	mutex_lock(&isp->mutex);
1085	if (atomisp_css_isr_thread(isp))
1086		goto out;
1087
1088	if (isp->asd.streaming)
1089		atomisp_setup_flash(&isp->asd);
1090out:
1091	mutex_unlock(&isp->mutex);
1092	dev_dbg(isp->dev, "<%s\n", __func__);
1093
1094	return IRQ_HANDLED;
1095}
1096
1097/*
1098 * Get internal fmt according to V4L2 fmt
1099 */
1100static enum ia_css_frame_format
1101v4l2_fmt_to_sh_fmt(u32 fmt)
1102{
1103	switch (fmt) {
1104	case V4L2_PIX_FMT_YUV420:
1105				return IA_CSS_FRAME_FORMAT_YUV420;
1106	case V4L2_PIX_FMT_YVU420:
1107		return IA_CSS_FRAME_FORMAT_YV12;
1108	case V4L2_PIX_FMT_YUV422P:
1109		return IA_CSS_FRAME_FORMAT_YUV422;
1110	case V4L2_PIX_FMT_YUV444:
1111		return IA_CSS_FRAME_FORMAT_YUV444;
1112	case V4L2_PIX_FMT_NV12:
1113		return IA_CSS_FRAME_FORMAT_NV12;
1114	case V4L2_PIX_FMT_NV21:
1115		return IA_CSS_FRAME_FORMAT_NV21;
1116	case V4L2_PIX_FMT_NV16:
1117		return IA_CSS_FRAME_FORMAT_NV16;
1118	case V4L2_PIX_FMT_NV61:
1119		return IA_CSS_FRAME_FORMAT_NV61;
1120	case V4L2_PIX_FMT_UYVY:
1121		return IA_CSS_FRAME_FORMAT_UYVY;
1122	case V4L2_PIX_FMT_YUYV:
1123		return IA_CSS_FRAME_FORMAT_YUYV;
1124	case V4L2_PIX_FMT_RGB24:
1125		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1126	case V4L2_PIX_FMT_RGB32:
1127		return IA_CSS_FRAME_FORMAT_RGBA888;
1128	case V4L2_PIX_FMT_RGB565:
1129		return IA_CSS_FRAME_FORMAT_RGB565;
1130#if 0
1131	case V4L2_PIX_FMT_JPEG:
1132	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1133		return IA_CSS_FRAME_FORMAT_BINARY_8;
1134#endif
1135	case V4L2_PIX_FMT_SBGGR16:
1136	case V4L2_PIX_FMT_SBGGR10:
1137	case V4L2_PIX_FMT_SGBRG10:
1138	case V4L2_PIX_FMT_SGRBG10:
1139	case V4L2_PIX_FMT_SRGGB10:
1140	case V4L2_PIX_FMT_SBGGR12:
1141	case V4L2_PIX_FMT_SGBRG12:
1142	case V4L2_PIX_FMT_SGRBG12:
1143	case V4L2_PIX_FMT_SRGGB12:
1144	case V4L2_PIX_FMT_SBGGR8:
1145	case V4L2_PIX_FMT_SGBRG8:
1146	case V4L2_PIX_FMT_SGRBG8:
1147	case V4L2_PIX_FMT_SRGGB8:
1148		return IA_CSS_FRAME_FORMAT_RAW;
1149	default:
1150		return -EINVAL;
1151	}
1152}
1153
1154/*
1155 * raw format match between SH format and V4L2 format
1156 */
1157static int raw_output_format_match_input(u32 input, u32 output)
1158{
1159	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1160	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1161	     (output == V4L2_PIX_FMT_SGRBG12) ||
1162	     (output == V4L2_PIX_FMT_SBGGR12) ||
1163	     (output == V4L2_PIX_FMT_SGBRG12)))
1164		return 0;
1165
1166	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
1167	    ((output == V4L2_PIX_FMT_SRGGB10) ||
1168	     (output == V4L2_PIX_FMT_SGRBG10) ||
1169	     (output == V4L2_PIX_FMT_SBGGR10) ||
1170	     (output == V4L2_PIX_FMT_SGBRG10)))
1171		return 0;
1172
1173	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
1174	    ((output == V4L2_PIX_FMT_SRGGB8) ||
1175	     (output == V4L2_PIX_FMT_SGRBG8) ||
1176	     (output == V4L2_PIX_FMT_SBGGR8) ||
1177	     (output == V4L2_PIX_FMT_SGBRG8)))
1178		return 0;
1179
1180	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
1181		return 0;
1182
1183	return -EINVAL;
1184}
1185
1186u32 atomisp_get_pixel_depth(u32 pixelformat)
1187{
1188	switch (pixelformat) {
1189	case V4L2_PIX_FMT_YUV420:
1190	case V4L2_PIX_FMT_NV12:
1191	case V4L2_PIX_FMT_NV21:
1192	case V4L2_PIX_FMT_YVU420:
1193		return 12;
1194	case V4L2_PIX_FMT_YUV422P:
1195	case V4L2_PIX_FMT_YUYV:
1196	case V4L2_PIX_FMT_UYVY:
1197	case V4L2_PIX_FMT_NV16:
1198	case V4L2_PIX_FMT_NV61:
1199	case V4L2_PIX_FMT_RGB565:
1200	case V4L2_PIX_FMT_SBGGR16:
1201	case V4L2_PIX_FMT_SBGGR12:
1202	case V4L2_PIX_FMT_SGBRG12:
1203	case V4L2_PIX_FMT_SGRBG12:
1204	case V4L2_PIX_FMT_SRGGB12:
1205	case V4L2_PIX_FMT_SBGGR10:
1206	case V4L2_PIX_FMT_SGBRG10:
1207	case V4L2_PIX_FMT_SGRBG10:
1208	case V4L2_PIX_FMT_SRGGB10:
1209		return 16;
1210	case V4L2_PIX_FMT_RGB24:
1211	case V4L2_PIX_FMT_YUV444:
1212		return 24;
1213	case V4L2_PIX_FMT_RGB32:
1214		return 32;
1215	case V4L2_PIX_FMT_JPEG:
1216	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1217	case V4L2_PIX_FMT_SBGGR8:
1218	case V4L2_PIX_FMT_SGBRG8:
1219	case V4L2_PIX_FMT_SGRBG8:
1220	case V4L2_PIX_FMT_SRGGB8:
1221		return 8;
1222	default:
1223		return 8 * 2;	/* raw type now */
1224	}
1225}
1226
1227bool atomisp_is_mbuscode_raw(uint32_t code)
1228{
1229	return code >= 0x3000 && code < 0x4000;
1230}
1231
1232/*
1233 * ISP features control function
1234 */
1235
1236/*
1237 * Set ISP capture mode based on current settings
1238 */
1239static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
1240{
1241	if (asd->params.gdc_cac_en)
1242		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
1243	else if (asd->params.low_light)
1244		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
1245	else if (asd->video_out.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
1246		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
1247	else
1248		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
1249}
1250
1251/*
1252 * Function to enable/disable lens geometry distortion correction (GDC) and
1253 * chromatic aberration correction (CAC)
1254 */
1255int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
1256		    __s32 *value)
1257{
1258	if (flag == 0) {
1259		*value = asd->params.gdc_cac_en;
1260		return 0;
1261	}
1262
1263	asd->params.gdc_cac_en = !!*value;
1264	if (asd->params.gdc_cac_en) {
1265		asd->params.config.morph_table = asd->params.css_param.morph_table;
1266	} else {
1267		asd->params.config.morph_table = NULL;
1268	}
1269	asd->params.css_update_params_needed = true;
1270	atomisp_update_capture_mode(asd);
1271	return 0;
1272}
1273
1274/*
1275 * Function to enable/disable low light mode including ANR
1276 */
1277int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
1278		      __s32 *value)
1279{
1280	if (flag == 0) {
1281		*value = asd->params.low_light;
1282		return 0;
1283	}
1284
1285	asd->params.low_light = (*value != 0);
1286	atomisp_update_capture_mode(asd);
1287	return 0;
1288}
1289
1290/*
1291 * Function to enable/disable extra noise reduction (XNR) in low light
1292 * condition
1293 */
1294int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
1295		int *xnr_enable)
1296{
1297	if (flag == 0) {
1298		*xnr_enable = asd->params.xnr_en;
1299		return 0;
1300	}
1301
1302	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
1303
1304	return 0;
1305}
1306
1307/*
1308 * Function to configure bayer noise reduction
1309 */
1310int atomisp_nr(struct atomisp_sub_device *asd, int flag,
1311	       struct atomisp_nr_config *arg)
1312{
1313	if (flag == 0) {
1314		/* Get nr config from current setup */
1315		if (atomisp_css_get_nr_config(asd, arg))
1316			return -EINVAL;
1317	} else {
1318		/* Set nr config to isp parameters */
1319		memcpy(&asd->params.css_param.nr_config, arg,
1320		       sizeof(struct ia_css_nr_config));
1321		asd->params.config.nr_config = &asd->params.css_param.nr_config;
1322		asd->params.css_update_params_needed = true;
1323	}
1324	return 0;
1325}
1326
1327/*
1328 * Function to configure temporal noise reduction (TNR)
1329 */
1330int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
1331		struct atomisp_tnr_config *config)
1332{
1333	/* Get tnr config from current setup */
1334	if (flag == 0) {
1335		/* Get tnr config from current setup */
1336		if (atomisp_css_get_tnr_config(asd, config))
1337			return -EINVAL;
1338	} else {
1339		/* Set tnr config to isp parameters */
1340		memcpy(&asd->params.css_param.tnr_config, config,
1341		       sizeof(struct ia_css_tnr_config));
1342		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
1343		asd->params.css_update_params_needed = true;
1344	}
1345
1346	return 0;
1347}
1348
1349/*
1350 * Function to configure black level compensation
1351 */
1352int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
1353			struct atomisp_ob_config *config)
1354{
1355	if (flag == 0) {
1356		/* Get ob config from current setup */
1357		if (atomisp_css_get_ob_config(asd, config))
1358			return -EINVAL;
1359	} else {
1360		/* Set ob config to isp parameters */
1361		memcpy(&asd->params.css_param.ob_config, config,
1362		       sizeof(struct ia_css_ob_config));
1363		asd->params.config.ob_config = &asd->params.css_param.ob_config;
1364		asd->params.css_update_params_needed = true;
1365	}
1366
1367	return 0;
1368}
1369
1370/*
1371 * Function to configure edge enhancement
1372 */
1373int atomisp_ee(struct atomisp_sub_device *asd, int flag,
1374	       struct atomisp_ee_config *config)
1375{
1376	if (flag == 0) {
1377		/* Get ee config from current setup */
1378		if (atomisp_css_get_ee_config(asd, config))
1379			return -EINVAL;
1380	} else {
1381		/* Set ee config to isp parameters */
1382		memcpy(&asd->params.css_param.ee_config, config,
1383		       sizeof(asd->params.css_param.ee_config));
1384		asd->params.config.ee_config = &asd->params.css_param.ee_config;
1385		asd->params.css_update_params_needed = true;
1386	}
1387
1388	return 0;
1389}
1390
1391/*
1392 * Function to update Gamma table for gamma, brightness and contrast config
1393 */
1394int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
1395		  struct atomisp_gamma_table *config)
1396{
1397	if (flag == 0) {
1398		/* Get gamma table from current setup */
1399		if (atomisp_css_get_gamma_table(asd, config))
1400			return -EINVAL;
1401	} else {
1402		/* Set gamma table to isp parameters */
1403		memcpy(&asd->params.css_param.gamma_table, config,
1404		       sizeof(asd->params.css_param.gamma_table));
1405		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
1406	}
1407
1408	return 0;
1409}
1410
1411/*
1412 * Function to update Ctc table for Chroma Enhancement
1413 */
1414int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
1415		struct atomisp_ctc_table *config)
1416{
1417	if (flag == 0) {
1418		/* Get ctc table from current setup */
1419		if (atomisp_css_get_ctc_table(asd, config))
1420			return -EINVAL;
1421	} else {
1422		/* Set ctc table to isp parameters */
1423		memcpy(&asd->params.css_param.ctc_table, config,
1424		       sizeof(asd->params.css_param.ctc_table));
1425		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
1426	}
1427
1428	return 0;
1429}
1430
1431/*
1432 * Function to update gamma correction parameters
1433 */
1434int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
1435			     struct atomisp_gc_config *config)
1436{
1437	if (flag == 0) {
1438		/* Get gamma correction params from current setup */
1439		if (atomisp_css_get_gc_config(asd, config))
1440			return -EINVAL;
1441	} else {
1442		/* Set gamma correction params to isp parameters */
1443		memcpy(&asd->params.css_param.gc_config, config,
1444		       sizeof(asd->params.css_param.gc_config));
1445		asd->params.config.gc_config = &asd->params.css_param.gc_config;
1446		asd->params.css_update_params_needed = true;
1447	}
1448
1449	return 0;
1450}
1451
1452/*
1453 * Function to update narrow gamma flag
1454 */
1455int atomisp_formats(struct atomisp_sub_device *asd, int flag,
1456		    struct atomisp_formats_config *config)
1457{
1458	if (flag == 0) {
1459		/* Get narrow gamma flag from current setup */
1460		if (atomisp_css_get_formats_config(asd, config))
1461			return -EINVAL;
1462	} else {
1463		/* Set narrow gamma flag to isp parameters */
1464		memcpy(&asd->params.css_param.formats_config, config,
1465		       sizeof(asd->params.css_param.formats_config));
1466		asd->params.config.formats_config = &asd->params.css_param.formats_config;
1467	}
1468
1469	return 0;
1470}
1471
1472void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
1473{
1474	atomisp_free_css_parameters(&asd->params.css_param);
1475}
1476
1477static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
1478				     enum ia_css_pipe_id pipe_id)
1479{
1480	struct atomisp_device *isp = asd->isp;
1481	int err;
1482
1483	if (atomisp_css_get_grid_info(asd, pipe_id))
1484		return;
1485
1486	/* We must free all buffers because they no longer match
1487	   the grid size. */
1488	atomisp_css_free_stat_buffers(asd);
1489
1490	err = atomisp_alloc_css_stat_bufs(asd, ATOMISP_INPUT_STREAM_GENERAL);
1491	if (err) {
1492		dev_err(isp->dev, "stat_buf allocate error\n");
1493		goto err;
1494	}
1495
1496	if (atomisp_alloc_3a_output_buf(asd)) {
1497		/* Failure for 3A buffers does not influence DIS buffers */
1498		if (asd->params.s3a_output_bytes != 0) {
1499			/* For SOC sensor happens s3a_output_bytes == 0,
1500			 * using if condition to exclude false error log */
1501			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
1502		}
1503		goto err;
1504	}
1505
1506	if (atomisp_alloc_dis_coef_buf(asd)) {
1507		dev_err(isp->dev,
1508			"Failed to allocate memory for DIS statistics\n");
1509		goto err;
1510	}
1511
1512	if (atomisp_alloc_metadata_output_buf(asd)) {
1513		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
1514		goto err;
1515	}
1516
1517	return;
1518
1519err:
1520	atomisp_css_free_stat_buffers(asd);
1521	return;
1522}
1523
1524static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
1525					struct atomisp_grid_info *info)
1526{
1527	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
1528	       sizeof(struct ia_css_3a_grid_info));
1529}
1530
1531int atomisp_compare_grid(struct atomisp_sub_device *asd,
1532			 struct atomisp_grid_info *atomgrid)
1533{
1534	struct atomisp_grid_info tmp = {0};
1535
1536	atomisp_curr_user_grid_info(asd, &tmp);
1537	return memcmp(atomgrid, &tmp, sizeof(tmp));
1538}
1539
1540/*
1541 * Function to update Gdc table for gdc
1542 */
1543int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
1544			  struct atomisp_morph_table *config)
1545{
1546	int ret;
1547	int i;
1548	struct atomisp_device *isp = asd->isp;
1549
1550	if (flag == 0) {
1551		/* Get gdc table from current setup */
1552		struct ia_css_morph_table tab = {0};
1553
1554		atomisp_css_get_morph_table(asd, &tab);
1555
1556		config->width = tab.width;
1557		config->height = tab.height;
1558
1559		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
1560			ret = copy_to_user(config->coordinates_x[i],
1561					   tab.coordinates_x[i], tab.height *
1562					   tab.width * sizeof(*tab.coordinates_x[i]));
1563			if (ret) {
1564				dev_err(isp->dev,
1565					"Failed to copy to User for x\n");
1566				return -EFAULT;
1567			}
1568			ret = copy_to_user(config->coordinates_y[i],
1569					   tab.coordinates_y[i], tab.height *
1570					   tab.width * sizeof(*tab.coordinates_y[i]));
1571			if (ret) {
1572				dev_err(isp->dev,
1573					"Failed to copy to User for y\n");
1574				return -EFAULT;
1575			}
1576		}
1577	} else {
1578		struct ia_css_morph_table *tab =
1579			    asd->params.css_param.morph_table;
1580
1581		/* free first if we have one */
1582		if (tab) {
1583			atomisp_css_morph_table_free(tab);
1584			asd->params.css_param.morph_table = NULL;
1585		}
1586
1587		/* allocate new one */
1588		tab = atomisp_css_morph_table_allocate(config->width,
1589						       config->height);
1590
1591		if (!tab) {
1592			dev_err(isp->dev, "out of memory\n");
1593			return -EINVAL;
1594		}
1595
1596		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
1597			ret = copy_from_user(tab->coordinates_x[i],
1598					     config->coordinates_x[i],
1599					     config->height * config->width *
1600					     sizeof(*config->coordinates_x[i]));
1601			if (ret) {
1602				dev_err(isp->dev,
1603					"Failed to copy from User for x, ret %d\n",
1604					ret);
1605				atomisp_css_morph_table_free(tab);
1606				return -EFAULT;
1607			}
1608			ret = copy_from_user(tab->coordinates_y[i],
1609					     config->coordinates_y[i],
1610					     config->height * config->width *
1611					     sizeof(*config->coordinates_y[i]));
1612			if (ret) {
1613				dev_err(isp->dev,
1614					"Failed to copy from User for y, ret is %d\n",
1615					ret);
1616				atomisp_css_morph_table_free(tab);
1617				return -EFAULT;
1618			}
1619		}
1620		asd->params.css_param.morph_table = tab;
1621		if (asd->params.gdc_cac_en)
1622			asd->params.config.morph_table = tab;
1623	}
1624
1625	return 0;
1626}
1627
1628int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
1629		       struct atomisp_macc_config *config)
1630{
1631	struct ia_css_macc_table *macc_table;
1632
1633	switch (config->color_effect) {
1634	case V4L2_COLORFX_NONE:
1635		macc_table = &asd->params.css_param.macc_table;
1636		break;
1637	case V4L2_COLORFX_SKY_BLUE:
1638		macc_table = &blue_macc_table;
1639		break;
1640	case V4L2_COLORFX_GRASS_GREEN:
1641		macc_table = &green_macc_table;
1642		break;
1643	case V4L2_COLORFX_SKIN_WHITEN_LOW:
1644		macc_table = &skin_low_macc_table;
1645		break;
1646	case V4L2_COLORFX_SKIN_WHITEN:
1647		macc_table = &skin_medium_macc_table;
1648		break;
1649	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
1650		macc_table = &skin_high_macc_table;
1651		break;
1652	default:
1653		return -EINVAL;
1654	}
1655
1656	if (flag == 0) {
1657		/* Get macc table from current setup */
1658		memcpy(&config->table, macc_table,
1659		       sizeof(struct ia_css_macc_table));
1660	} else {
1661		memcpy(macc_table, &config->table,
1662		       sizeof(struct ia_css_macc_table));
1663		if (config->color_effect == asd->params.color_effect)
1664			asd->params.config.macc_table = macc_table;
1665	}
1666
1667	return 0;
1668}
1669
1670int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
1671			   struct atomisp_dis_vector *vector)
1672{
1673	atomisp_css_video_set_dis_vector(asd, vector);
1674
1675	asd->params.dis_proj_data_valid = false;
1676	asd->params.css_update_params_needed = true;
1677	return 0;
1678}
1679
1680/*
1681 * Function to set/get image stablization statistics
1682 */
1683int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
1684			 struct atomisp_dis_statistics *stats)
1685{
1686	return atomisp_css_get_dis_stat(asd, stats);
1687}
1688
1689/*
1690 * Function  set camrea_prefiles.xml current sensor pixel array size
1691 */
1692int atomisp_set_array_res(struct atomisp_sub_device *asd,
1693			  struct atomisp_resolution  *config)
1694{
1695	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
1696	if (!config) {
1697		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
1698		return -EINVAL;
1699	}
1700
1701	asd->sensor_array_res.width = config->width;
1702	asd->sensor_array_res.height = config->height;
1703	return 0;
1704}
1705
1706/*
1707 * Function to get DVS2 BQ resolution settings
1708 */
1709int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
1710				    struct atomisp_dvs2_bq_resolutions *bq_res)
1711{
1712	struct ia_css_pipe_config *pipe_cfg = NULL;
1713
1714	struct ia_css_stream *stream =
1715		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1716	if (!stream) {
1717		dev_warn(asd->isp->dev, "stream is not created");
1718		return -EAGAIN;
1719	}
1720
1721	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
1722		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
1723
1724	if (!bq_res)
1725		return -EINVAL;
1726
1727	/* the GDC output resolution */
1728	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
1729	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
1730
1731	bq_res->envelope_bq.width_bq = 0;
1732	bq_res->envelope_bq.height_bq = 0;
1733	/* the GDC input resolution */
1734	bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
1735				     pipe_cfg->dvs_envelope.width / 2;
1736	bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
1737				      pipe_cfg->dvs_envelope.height / 2;
1738	/*
1739	 * Bad pixels caused by spatial filter processing
1740	 * ISP filter resolution should be given by CSS/FW, but for now
1741	 * there is not such API to query, and it is fixed value, so
1742	 * hardcoded here.
1743	 */
1744	bq_res->ispfilter_bq.width_bq = 12 / 2;
1745	bq_res->ispfilter_bq.height_bq = 12 / 2;
1746	/* spatial filter shift, always 4 pixels */
1747	bq_res->gdc_shift_bq.width_bq = 4 / 2;
1748	bq_res->gdc_shift_bq.height_bq = 4 / 2;
1749
1750	if (asd->params.video_dis_en) {
1751		bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width / 2 -
1752					       bq_res->ispfilter_bq.width_bq;
1753		bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height / 2 -
1754						bq_res->ispfilter_bq.height_bq;
1755	}
1756
1757	dev_dbg(asd->isp->dev,
1758		"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",
1759		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
1760		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
1761		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
1762		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
1763		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
1764
1765	return 0;
1766}
1767
1768int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
1769			  struct atomisp_dis_coefficients *coefs)
1770{
1771	return atomisp_css_set_dis_coefs(asd, coefs);
1772}
1773
1774/*
1775 * Function to set/get 3A stat from isp
1776 */
1777int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
1778		    struct atomisp_3a_statistics *config)
1779{
1780	struct atomisp_device *isp = asd->isp;
1781	struct atomisp_s3a_buf *s3a_buf;
1782	unsigned long ret;
1783
1784	if (flag != 0)
1785		return -EINVAL;
1786
1787	/* sanity check to avoid writing into unallocated memory. */
1788	if (asd->params.s3a_output_bytes == 0)
1789		return -EINVAL;
1790
1791	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
1792		/* If the grid info in the argument differs from the current
1793		   grid info, we tell the caller to reset the grid size and
1794		   try again. */
1795		return -EAGAIN;
1796	}
1797
1798	if (list_empty(&asd->s3a_stats_ready)) {
1799		dev_err(isp->dev, "3a statistics is not valid.\n");
1800		return -EAGAIN;
1801	}
1802
1803	s3a_buf = list_entry(asd->s3a_stats_ready.next,
1804			     struct atomisp_s3a_buf, list);
1805	if (s3a_buf->s3a_map)
1806		ia_css_translate_3a_statistics(
1807		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
1808	else
1809		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
1810					 s3a_buf->s3a_data);
1811
1812	config->exp_id = s3a_buf->s3a_data->exp_id;
1813	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
1814
1815	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
1816			   asd->params.s3a_output_bytes);
1817	if (ret) {
1818		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
1819			ret);
1820		return -EFAULT;
1821	}
1822
1823	/* Move to free buffer list */
1824	list_del_init(&s3a_buf->list);
1825	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
1826	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
1827		__func__,
1828		config->exp_id, config->isp_config_id);
1829	return 0;
1830}
1831
1832/*
1833 * Function to calculate real zoom region for every pipe
1834 */
1835int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
1836				       struct ia_css_dz_config   *dz_config,
1837				       enum ia_css_pipe_id css_pipe_id)
1838
1839{
1840	struct atomisp_stream_env *stream_env =
1841		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
1842	struct atomisp_resolution  eff_res, out_res;
1843	int w_offset, h_offset;
1844
1845	memset(&eff_res, 0, sizeof(eff_res));
1846	memset(&out_res, 0, sizeof(out_res));
1847
1848	if (dz_config->dx || dz_config->dy)
1849		return 0;
1850
1851	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
1852	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
1853		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
1854			, __func__);
1855		return -EINVAL;
1856	}
1857
1858	eff_res.width =
1859	    stream_env->stream_config.input_config.effective_res.width;
1860	eff_res.height =
1861	    stream_env->stream_config.input_config.effective_res.height;
1862	if (eff_res.width == 0 || eff_res.height == 0) {
1863		dev_err(asd->isp->dev, "%s err effective resolution"
1864			, __func__);
1865		return -EINVAL;
1866	}
1867
1868	if (dz_config->zoom_region.resolution.width
1869	    == asd->sensor_array_res.width
1870	    || dz_config->zoom_region.resolution.height
1871	    == asd->sensor_array_res.height) {
1872		/*no need crop region*/
1873		dz_config->zoom_region.origin.x = 0;
1874		dz_config->zoom_region.origin.y = 0;
1875		dz_config->zoom_region.resolution.width = eff_res.width;
1876		dz_config->zoom_region.resolution.height = eff_res.height;
1877		return 0;
1878	}
1879
1880	/* FIXME:
1881	 * This is not the correct implementation with Google's definition, due
1882	 * to firmware limitation.
1883	 * map real crop region base on above calculating base max crop region.
1884	 */
1885
1886	if (!IS_ISP2401) {
1887		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
1888						  * eff_res.width
1889						  / asd->sensor_array_res.width;
1890		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
1891						  * eff_res.height
1892						  / asd->sensor_array_res.height;
1893		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
1894							  * eff_res.width
1895							  / asd->sensor_array_res.width;
1896		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
1897							  * eff_res.height
1898							  / asd->sensor_array_res.height;
1899		/*
1900		 * Set same ratio of crop region resolution and current pipe output
1901		 * resolution
1902		 */
1903		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
1904		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
1905		if (out_res.width == 0 || out_res.height == 0) {
1906			dev_err(asd->isp->dev, "%s err current pipe output resolution"
1907				, __func__);
1908			return -EINVAL;
1909		}
1910	} else {
1911		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
1912		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
1913		if (out_res.width == 0 || out_res.height == 0) {
1914			dev_err(asd->isp->dev, "%s err current pipe output resolution"
1915				, __func__);
1916			return -EINVAL;
1917		}
1918
1919		if (asd->sensor_array_res.width * out_res.height
1920		    < out_res.width * asd->sensor_array_res.height) {
1921			h_offset = asd->sensor_array_res.height
1922				   - asd->sensor_array_res.width
1923				   * out_res.height / out_res.width;
1924			h_offset = h_offset / 2;
1925			if (dz_config->zoom_region.origin.y < h_offset)
1926				dz_config->zoom_region.origin.y = 0;
1927			else
1928				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
1929			w_offset = 0;
1930		} else {
1931			w_offset = asd->sensor_array_res.width
1932				   - asd->sensor_array_res.height
1933				   * out_res.width / out_res.height;
1934			w_offset = w_offset / 2;
1935			if (dz_config->zoom_region.origin.x < w_offset)
1936				dz_config->zoom_region.origin.x = 0;
1937			else
1938				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
1939			h_offset = 0;
1940		}
1941		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
1942						  * eff_res.width
1943						  / (asd->sensor_array_res.width - 2 * w_offset);
1944		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
1945						  * eff_res.height
1946						  / (asd->sensor_array_res.height - 2 * h_offset);
1947		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
1948						  * eff_res.width
1949						  / (asd->sensor_array_res.width - 2 * w_offset);
1950		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
1951						  * eff_res.height
1952						  / (asd->sensor_array_res.height - 2 * h_offset);
1953	}
1954
1955	if (out_res.width * dz_config->zoom_region.resolution.height
1956	    > dz_config->zoom_region.resolution.width * out_res.height) {
1957		dz_config->zoom_region.resolution.height =
1958		    dz_config->zoom_region.resolution.width
1959		    * out_res.height / out_res.width;
1960	} else {
1961		dz_config->zoom_region.resolution.width =
1962		    dz_config->zoom_region.resolution.height
1963		    * out_res.width / out_res.height;
1964	}
1965	dev_dbg(asd->isp->dev,
1966		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
1967		__func__, dz_config->zoom_region.origin.x,
1968		dz_config->zoom_region.origin.y,
1969		dz_config->zoom_region.resolution.width,
1970		dz_config->zoom_region.resolution.height,
1971		eff_res.width, eff_res.height,
1972		asd->sensor_array_res.width,
1973		asd->sensor_array_res.height,
1974		out_res.width, out_res.height);
1975
1976	if ((dz_config->zoom_region.origin.x +
1977	     dz_config->zoom_region.resolution.width
1978	     > eff_res.width) ||
1979	    (dz_config->zoom_region.origin.y +
1980	     dz_config->zoom_region.resolution.height
1981	     > eff_res.height))
1982		return -EINVAL;
1983
1984	return 0;
1985}
1986
1987/*
1988 * Function to check the zoom region whether is effective
1989 */
1990static bool atomisp_check_zoom_region(
1991    struct atomisp_sub_device *asd,
1992    struct ia_css_dz_config *dz_config)
1993{
1994	struct atomisp_resolution  config;
1995	bool flag = false;
1996	unsigned int w, h;
1997
1998	memset(&config, 0, sizeof(struct atomisp_resolution));
1999
2000	if (dz_config->dx && dz_config->dy)
2001		return true;
2002
2003	config.width = asd->sensor_array_res.width;
2004	config.height = asd->sensor_array_res.height;
2005	w = dz_config->zoom_region.origin.x +
2006	    dz_config->zoom_region.resolution.width;
2007	h = dz_config->zoom_region.origin.y +
2008	    dz_config->zoom_region.resolution.height;
2009
2010	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
2011		flag = true;
2012	else
2013		/* setting error zoom region */
2014		dev_err(asd->isp->dev,
2015			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
2016			__func__, dz_config->zoom_region.origin.x,
2017			dz_config->zoom_region.origin.y,
2018			dz_config->zoom_region.resolution.width,
2019			dz_config->zoom_region.resolution.height,
2020			config.width, config.height);
2021
2022	return flag;
2023}
2024
2025void atomisp_apply_css_parameters(
2026    struct atomisp_sub_device *asd,
2027    struct atomisp_css_params *css_param)
2028{
2029	if (css_param->update_flag.wb_config)
2030		asd->params.config.wb_config = &css_param->wb_config;
2031
2032	if (css_param->update_flag.ob_config)
2033		asd->params.config.ob_config = &css_param->ob_config;
2034
2035	if (css_param->update_flag.dp_config)
2036		asd->params.config.dp_config = &css_param->dp_config;
2037
2038	if (css_param->update_flag.nr_config)
2039		asd->params.config.nr_config = &css_param->nr_config;
2040
2041	if (css_param->update_flag.ee_config)
2042		asd->params.config.ee_config = &css_param->ee_config;
2043
2044	if (css_param->update_flag.tnr_config)
2045		asd->params.config.tnr_config = &css_param->tnr_config;
2046
2047	if (css_param->update_flag.a3a_config)
2048		asd->params.config.s3a_config = &css_param->s3a_config;
2049
2050	if (css_param->update_flag.ctc_config)
2051		asd->params.config.ctc_config = &css_param->ctc_config;
2052
2053	if (css_param->update_flag.cnr_config)
2054		asd->params.config.cnr_config = &css_param->cnr_config;
2055
2056	if (css_param->update_flag.ecd_config)
2057		asd->params.config.ecd_config = &css_param->ecd_config;
2058
2059	if (css_param->update_flag.ynr_config)
2060		asd->params.config.ynr_config = &css_param->ynr_config;
2061
2062	if (css_param->update_flag.fc_config)
2063		asd->params.config.fc_config = &css_param->fc_config;
2064
2065	if (css_param->update_flag.macc_config)
2066		asd->params.config.macc_config = &css_param->macc_config;
2067
2068	if (css_param->update_flag.aa_config)
2069		asd->params.config.aa_config = &css_param->aa_config;
2070
2071	if (css_param->update_flag.anr_config)
2072		asd->params.config.anr_config = &css_param->anr_config;
2073
2074	if (css_param->update_flag.xnr_config)
2075		asd->params.config.xnr_config = &css_param->xnr_config;
2076
2077	if (css_param->update_flag.yuv2rgb_cc_config)
2078		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
2079
2080	if (css_param->update_flag.rgb2yuv_cc_config)
2081		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
2082
2083	if (css_param->update_flag.macc_table)
2084		asd->params.config.macc_table = &css_param->macc_table;
2085
2086	if (css_param->update_flag.xnr_table)
2087		asd->params.config.xnr_table = &css_param->xnr_table;
2088
2089	if (css_param->update_flag.r_gamma_table)
2090		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
2091
2092	if (css_param->update_flag.g_gamma_table)
2093		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
2094
2095	if (css_param->update_flag.b_gamma_table)
2096		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
2097
2098	if (css_param->update_flag.anr_thres)
2099		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
2100
2101	if (css_param->update_flag.shading_table)
2102		asd->params.config.shading_table = css_param->shading_table;
2103
2104	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
2105		asd->params.config.morph_table = css_param->morph_table;
2106
2107	if (css_param->update_flag.dvs2_coefs) {
2108		struct ia_css_dvs_grid_info *dvs_grid_info =
2109		    atomisp_css_get_dvs_grid_info(
2110			&asd->params.curr_grid_info);
2111
2112		if (dvs_grid_info && dvs_grid_info->enable)
2113			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
2114	}
2115
2116	if (css_param->update_flag.dvs_6axis_config)
2117		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
2118
2119	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
2120	/*
2121	 * These configurations are on used by ISP1.x, not for ISP2.x,
2122	 * so do not handle them. see comments of ia_css_isp_config.
2123	 * 1 cc_config
2124	 * 2 ce_config
2125	 * 3 de_config
2126	 * 4 gc_config
2127	 * 5 gamma_table
2128	 * 6 ctc_table
2129	 * 7 dvs_coefs
2130	 */
2131}
2132
2133static unsigned int long copy_from_compatible(void *to, const void *from,
2134	unsigned long n, bool from_user)
2135{
2136	if (from_user)
2137		return copy_from_user(to, (void __user *)from, n);
2138	else
2139		memcpy(to, from, n);
2140	return 0;
2141}
2142
2143int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
2144				      struct atomisp_parameters *arg,
2145				      struct atomisp_css_params *css_param,
2146				      bool from_user)
2147{
2148	struct atomisp_parameters *cur_config = &css_param->update_flag;
2149
2150	if (!arg || !asd || !css_param)
2151		return -EINVAL;
2152
2153	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
2154		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
2155					 sizeof(struct ia_css_wb_config),
2156					 from_user))
2157			return -EFAULT;
2158		css_param->update_flag.wb_config =
2159		    (struct atomisp_wb_config *)&css_param->wb_config;
2160	}
2161
2162	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
2163		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
2164					 sizeof(struct ia_css_ob_config),
2165					 from_user))
2166			return -EFAULT;
2167		css_param->update_flag.ob_config =
2168		    (struct atomisp_ob_config *)&css_param->ob_config;
2169	}
2170
2171	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
2172		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
2173					 sizeof(struct ia_css_dp_config),
2174					 from_user))
2175			return -EFAULT;
2176		css_param->update_flag.dp_config =
2177		    (struct atomisp_dp_config *)&css_param->dp_config;
2178	}
2179
2180	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
2181		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
2182			if (copy_from_compatible(&css_param->dz_config,
2183						 arg->dz_config,
2184						 sizeof(struct ia_css_dz_config),
2185						 from_user))
2186				return -EFAULT;
2187			if (!atomisp_check_zoom_region(asd,
2188						       &css_param->dz_config)) {
2189				dev_err(asd->isp->dev, "crop region error!");
2190				return -EINVAL;
2191			}
2192			css_param->update_flag.dz_config =
2193			    (struct atomisp_dz_config *)
2194			    &css_param->dz_config;
2195		}
2196	}
2197
2198	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
2199		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
2200					 sizeof(struct ia_css_nr_config),
2201					 from_user))
2202			return -EFAULT;
2203		css_param->update_flag.nr_config =
2204		    (struct atomisp_nr_config *)&css_param->nr_config;
2205	}
2206
2207	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
2208		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
2209					 sizeof(struct ia_css_ee_config),
2210					 from_user))
2211			return -EFAULT;
2212		css_param->update_flag.ee_config =
2213		    (struct atomisp_ee_config *)&css_param->ee_config;
2214	}
2215
2216	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
2217		if (copy_from_compatible(&css_param->tnr_config,
2218					 arg->tnr_config,
2219					 sizeof(struct ia_css_tnr_config),
2220					 from_user))
2221			return -EFAULT;
2222		css_param->update_flag.tnr_config =
2223		    (struct atomisp_tnr_config *)
2224		    &css_param->tnr_config;
2225	}
2226
2227	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
2228		if (copy_from_compatible(&css_param->s3a_config,
2229					 arg->a3a_config,
2230					 sizeof(struct ia_css_3a_config),
2231					 from_user))
2232			return -EFAULT;
2233		css_param->update_flag.a3a_config =
2234		    (struct atomisp_3a_config *)&css_param->s3a_config;
2235	}
2236
2237	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
2238		if (copy_from_compatible(&css_param->ctc_config,
2239					 arg->ctc_config,
2240					 sizeof(struct ia_css_ctc_config),
2241					 from_user))
2242			return -EFAULT;
2243		css_param->update_flag.ctc_config =
2244		    (struct atomisp_ctc_config *)
2245		    &css_param->ctc_config;
2246	}
2247
2248	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
2249		if (copy_from_compatible(&css_param->cnr_config,
2250					 arg->cnr_config,
2251					 sizeof(struct ia_css_cnr_config),
2252					 from_user))
2253			return -EFAULT;
2254		css_param->update_flag.cnr_config =
2255		    (struct atomisp_cnr_config *)
2256		    &css_param->cnr_config;
2257	}
2258
2259	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
2260		if (copy_from_compatible(&css_param->ecd_config,
2261					 arg->ecd_config,
2262					 sizeof(struct ia_css_ecd_config),
2263					 from_user))
2264			return -EFAULT;
2265		css_param->update_flag.ecd_config =
2266		    (struct atomisp_ecd_config *)
2267		    &css_param->ecd_config;
2268	}
2269
2270	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
2271		if (copy_from_compatible(&css_param->ynr_config,
2272					 arg->ynr_config,
2273					 sizeof(struct ia_css_ynr_config),
2274					 from_user))
2275			return -EFAULT;
2276		css_param->update_flag.ynr_config =
2277		    (struct atomisp_ynr_config *)
2278		    &css_param->ynr_config;
2279	}
2280
2281	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
2282		if (copy_from_compatible(&css_param->fc_config,
2283					 arg->fc_config,
2284					 sizeof(struct ia_css_fc_config),
2285					 from_user))
2286			return -EFAULT;
2287		css_param->update_flag.fc_config =
2288		    (struct atomisp_fc_config *)&css_param->fc_config;
2289	}
2290
2291	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
2292		if (copy_from_compatible(&css_param->macc_config,
2293					 arg->macc_config,
2294					 sizeof(struct ia_css_macc_config),
2295					 from_user))
2296			return -EFAULT;
2297		css_param->update_flag.macc_config =
2298		    (struct atomisp_macc_config *)
2299		    &css_param->macc_config;
2300	}
2301
2302	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
2303		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
2304					 sizeof(struct ia_css_aa_config),
2305					 from_user))
2306			return -EFAULT;
2307		css_param->update_flag.aa_config =
2308		    (struct atomisp_aa_config *)&css_param->aa_config;
2309	}
2310
2311	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
2312		if (copy_from_compatible(&css_param->anr_config,
2313					 arg->anr_config,
2314					 sizeof(struct ia_css_anr_config),
2315					 from_user))
2316			return -EFAULT;
2317		css_param->update_flag.anr_config =
2318		    (struct atomisp_anr_config *)
2319		    &css_param->anr_config;
2320	}
2321
2322	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
2323		if (copy_from_compatible(&css_param->xnr_config,
2324					 arg->xnr_config,
2325					 sizeof(struct ia_css_xnr_config),
2326					 from_user))
2327			return -EFAULT;
2328		css_param->update_flag.xnr_config =
2329		    (struct atomisp_xnr_config *)
2330		    &css_param->xnr_config;
2331	}
2332
2333	if (arg->yuv2rgb_cc_config &&
2334	    (from_user || !cur_config->yuv2rgb_cc_config)) {
2335		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
2336					 arg->yuv2rgb_cc_config,
2337					 sizeof(struct ia_css_cc_config),
2338					 from_user))
2339			return -EFAULT;
2340		css_param->update_flag.yuv2rgb_cc_config =
2341		    (struct atomisp_cc_config *)
2342		    &css_param->yuv2rgb_cc_config;
2343	}
2344
2345	if (arg->rgb2yuv_cc_config &&
2346	    (from_user || !cur_config->rgb2yuv_cc_config)) {
2347		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
2348					 arg->rgb2yuv_cc_config,
2349					 sizeof(struct ia_css_cc_config),
2350					 from_user))
2351			return -EFAULT;
2352		css_param->update_flag.rgb2yuv_cc_config =
2353		    (struct atomisp_cc_config *)
2354		    &css_param->rgb2yuv_cc_config;
2355	}
2356
2357	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
2358		if (copy_from_compatible(&css_param->macc_table,
2359					 arg->macc_table,
2360					 sizeof(struct ia_css_macc_table),
2361					 from_user))
2362			return -EFAULT;
2363		css_param->update_flag.macc_table =
2364		    (struct atomisp_macc_table *)
2365		    &css_param->macc_table;
2366	}
2367
2368	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
2369		if (copy_from_compatible(&css_param->xnr_table,
2370					 arg->xnr_table,
2371					 sizeof(struct ia_css_xnr_table),
2372					 from_user))
2373			return -EFAULT;
2374		css_param->update_flag.xnr_table =
2375		    (struct atomisp_xnr_table *)&css_param->xnr_table;
2376	}
2377
2378	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
2379		if (copy_from_compatible(&css_param->r_gamma_table,
2380					 arg->r_gamma_table,
2381					 sizeof(struct ia_css_rgb_gamma_table),
2382					 from_user))
2383			return -EFAULT;
2384		css_param->update_flag.r_gamma_table =
2385		    (struct atomisp_rgb_gamma_table *)
2386		    &css_param->r_gamma_table;
2387	}
2388
2389	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
2390		if (copy_from_compatible(&css_param->g_gamma_table,
2391					 arg->g_gamma_table,
2392					 sizeof(struct ia_css_rgb_gamma_table),
2393					 from_user))
2394			return -EFAULT;
2395		css_param->update_flag.g_gamma_table =
2396		    (struct atomisp_rgb_gamma_table *)
2397		    &css_param->g_gamma_table;
2398	}
2399
2400	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
2401		if (copy_from_compatible(&css_param->b_gamma_table,
2402					 arg->b_gamma_table,
2403					 sizeof(struct ia_css_rgb_gamma_table),
2404					 from_user))
2405			return -EFAULT;
2406		css_param->update_flag.b_gamma_table =
2407		    (struct atomisp_rgb_gamma_table *)
2408		    &css_param->b_gamma_table;
2409	}
2410
2411	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
2412		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
2413					 sizeof(struct ia_css_anr_thres),
2414					 from_user))
2415			return -EFAULT;
2416		css_param->update_flag.anr_thres =
2417		    (struct atomisp_anr_thres *)&css_param->anr_thres;
2418	}
2419
2420	if (from_user)
2421		css_param->isp_config_id = arg->isp_config_id;
2422	/*
2423	 * These configurations are on used by ISP1.x, not for ISP2.x,
2424	 * so do not handle them. see comments of ia_css_isp_config.
2425	 * 1 cc_config
2426	 * 2 ce_config
2427	 * 3 de_config
2428	 * 4 gc_config
2429	 * 5 gamma_table
2430	 * 6 ctc_table
2431	 * 7 dvs_coefs
2432	 */
2433	return 0;
2434}
2435
2436int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
2437			 struct atomisp_shading_table *source_st,
2438			 struct atomisp_css_params *css_param,
2439			 bool from_user)
2440{
2441	unsigned int i;
2442	unsigned int len_table;
2443	struct ia_css_shading_table *shading_table;
2444	struct ia_css_shading_table *old_table;
2445	struct atomisp_shading_table *st, dest_st;
2446
2447	if (!source_st)
2448		return 0;
2449
2450	if (!css_param)
2451		return -EINVAL;
2452
2453	if (!from_user && css_param->update_flag.shading_table)
2454		return 0;
2455
2456	if (IS_ISP2401) {
2457		if (copy_from_compatible(&dest_st, source_st,
2458					sizeof(struct atomisp_shading_table),
2459					from_user)) {
2460			dev_err(asd->isp->dev, "copy shading table failed!");
2461			return -EFAULT;
2462		}
2463		st = &dest_st;
2464	} else {
2465		st = source_st;
2466	}
2467
2468	old_table = css_param->shading_table;
2469
2470	/* user config is to disable the shading table. */
2471	if (!st->enable) {
2472		/* Generate a minimum table with enable = 0. */
2473		shading_table = atomisp_css_shading_table_alloc(1, 1);
2474		if (!shading_table)
2475			return -ENOMEM;
2476		shading_table->enable = 0;
2477		goto set_lsc;
2478	}
2479
2480	/* Setting a new table. Validate first - all tables must be set */
2481	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2482		if (!st->data[i]) {
2483			dev_err(asd->isp->dev, "shading table validate failed");
2484			return -EINVAL;
2485		}
2486	}
2487
2488	/* Shading table size per color */
2489	if (st->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
2490	    st->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
2491		dev_err(asd->isp->dev, "shading table w/h validate failed!");
2492		return -EINVAL;
2493	}
2494
2495	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
2496	if (!shading_table)
2497		return -ENOMEM;
2498
2499	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
2500	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2501		if (copy_from_compatible(shading_table->data[i],
2502					 st->data[i], len_table, from_user)) {
2503			atomisp_css_shading_table_free(shading_table);
2504			return -EFAULT;
2505		}
2506	}
2507	shading_table->sensor_width = st->sensor_width;
2508	shading_table->sensor_height = st->sensor_height;
2509	shading_table->fraction_bits = st->fraction_bits;
2510	shading_table->enable = st->enable;
2511
2512	/* No need to update shading table if it is the same */
2513	if (old_table &&
2514	    old_table->sensor_width == shading_table->sensor_width &&
2515	    old_table->sensor_height == shading_table->sensor_height &&
2516	    old_table->width == shading_table->width &&
2517	    old_table->height == shading_table->height &&
2518	    old_table->fraction_bits == shading_table->fraction_bits &&
2519	    old_table->enable == shading_table->enable) {
2520		bool data_is_same = true;
2521
2522		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2523			if (memcmp(shading_table->data[i], old_table->data[i],
2524				   len_table) != 0) {
2525				data_is_same = false;
2526				break;
2527			}
2528		}
2529
2530		if (data_is_same) {
2531			atomisp_css_shading_table_free(shading_table);
2532			return 0;
2533		}
2534	}
2535
2536set_lsc:
2537	/* set LSC to CSS */
2538	css_param->shading_table = shading_table;
2539	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
2540	asd->params.sc_en = shading_table;
2541
2542	if (old_table)
2543		atomisp_css_shading_table_free(old_table);
2544
2545	return 0;
2546}
2547
2548int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
2549			      struct ia_css_dvs2_coefficients *coefs,
2550			      struct atomisp_css_params *css_param,
2551			      bool from_user)
2552{
2553	struct ia_css_dvs_grid_info *cur =
2554	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
2555	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
2556	struct ia_css_dvs2_coefficients dvs2_coefs;
2557
2558	if (!coefs || !cur)
2559		return 0;
2560
2561	if (!from_user && css_param->update_flag.dvs2_coefs)
2562		return 0;
2563
2564	if (!IS_ISP2401) {
2565		if (sizeof(*cur) != sizeof(coefs->grid) ||
2566		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
2567			dev_err(asd->isp->dev, "dvs grid mismatch!\n");
2568			/* If the grid info in the argument differs from the current
2569			grid info, we tell the caller to reset the grid size and
2570			try again. */
2571			return -EAGAIN;
2572		}
2573
2574		if (!coefs->hor_coefs.odd_real ||
2575		    !coefs->hor_coefs.odd_imag ||
2576		    !coefs->hor_coefs.even_real ||
2577		    !coefs->hor_coefs.even_imag ||
2578		    !coefs->ver_coefs.odd_real ||
2579		    !coefs->ver_coefs.odd_imag ||
2580		    !coefs->ver_coefs.even_real ||
2581		    !coefs->ver_coefs.even_imag)
2582			return -EINVAL;
2583
2584		if (!css_param->dvs2_coeff) {
2585			/* DIS coefficients. */
2586			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
2587			if (!css_param->dvs2_coeff)
2588				return -ENOMEM;
2589		}
2590
2591		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
2592		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
2593		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
2594					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
2595		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
2596					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
2597		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
2598					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
2599		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
2600					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
2601		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
2602					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
2603		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
2604					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
2605		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
2606					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
2607		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
2608					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
2609			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2610			css_param->dvs2_coeff = NULL;
2611			return -EFAULT;
2612		}
2613	} else {
2614		if (copy_from_compatible(&dvs2_coefs, coefs,
2615					sizeof(struct ia_css_dvs2_coefficients),
2616					from_user)) {
2617			dev_err(asd->isp->dev, "copy dvs2 coef failed");
2618			return -EFAULT;
2619		}
2620
2621		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
2622		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
2623			dev_err(asd->isp->dev, "dvs grid mismatch!\n");
2624			/* If the grid info in the argument differs from the current
2625			grid info, we tell the caller to reset the grid size and
2626			try again. */
2627			return -EAGAIN;
2628		}
2629
2630		if (!dvs2_coefs.hor_coefs.odd_real ||
2631		    !dvs2_coefs.hor_coefs.odd_imag ||
2632		    !dvs2_coefs.hor_coefs.even_real ||
2633		    !dvs2_coefs.hor_coefs.even_imag ||
2634		    !dvs2_coefs.ver_coefs.odd_real ||
2635		    !dvs2_coefs.ver_coefs.odd_imag ||
2636		    !dvs2_coefs.ver_coefs.even_real ||
2637		    !dvs2_coefs.ver_coefs.even_imag)
2638			return -EINVAL;
2639
2640		if (!css_param->dvs2_coeff) {
2641			/* DIS coefficients. */
2642			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
2643			if (!css_param->dvs2_coeff)
2644				return -ENOMEM;
2645		}
2646
2647		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
2648		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
2649		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
2650					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
2651		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
2652					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
2653		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
2654					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
2655		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
2656					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
2657		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
2658					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
2659		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
2660					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
2661		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
2662					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
2663		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
2664					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
2665			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2666			css_param->dvs2_coeff = NULL;
2667			return -EFAULT;
2668		}
2669	}
2670
2671	css_param->update_flag.dvs2_coefs =
2672	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
2673	return 0;
2674}
2675
2676int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
2677				struct atomisp_dvs_6axis_config *source_6axis_config,
2678				struct atomisp_css_params *css_param,
2679				bool from_user)
2680{
2681	struct ia_css_dvs_6axis_config *dvs_6axis_config;
2682	struct ia_css_dvs_6axis_config *old_6axis_config;
2683	struct ia_css_stream *stream =
2684		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2685	struct ia_css_dvs_grid_info *dvs_grid_info =
2686	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
2687	int ret = -EFAULT;
2688
2689	if (!stream) {
2690		dev_err(asd->isp->dev, "%s: internal error!", __func__);
2691		return -EINVAL;
2692	}
2693
2694	if (!source_6axis_config || !dvs_grid_info)
2695		return 0;
2696
2697	if (!dvs_grid_info->enable)
2698		return 0;
2699
2700	if (!from_user && css_param->update_flag.dvs_6axis_config)
2701		return 0;
2702
2703	/* check whether need to reallocate for 6 axis config */
2704	old_6axis_config = css_param->dvs_6axis;
2705	dvs_6axis_config = old_6axis_config;
2706
2707	if (IS_ISP2401) {
2708		struct ia_css_dvs_6axis_config t_6axis_config;
2709
2710		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
2711					sizeof(struct atomisp_dvs_6axis_config),
2712					from_user)) {
2713			dev_err(asd->isp->dev, "copy morph table failed!");
2714			return -EFAULT;
2715		}
2716
2717		if (old_6axis_config &&
2718		    (old_6axis_config->width_y != t_6axis_config.width_y ||
2719		    old_6axis_config->height_y != t_6axis_config.height_y ||
2720		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
2721		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
2722			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2723			css_param->dvs_6axis = NULL;
2724
2725			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2726			if (!dvs_6axis_config)
2727				return -ENOMEM;
2728		} else if (!dvs_6axis_config) {
2729			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2730			if (!dvs_6axis_config)
2731				return -ENOMEM;
2732		}
2733
2734		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
2735
2736		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
2737					t_6axis_config.xcoords_y,
2738					t_6axis_config.width_y *
2739					t_6axis_config.height_y *
2740					sizeof(*dvs_6axis_config->xcoords_y),
2741					from_user))
2742			goto error;
2743		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
2744					t_6axis_config.ycoords_y,
2745					t_6axis_config.width_y *
2746					t_6axis_config.height_y *
2747					sizeof(*dvs_6axis_config->ycoords_y),
2748					from_user))
2749			goto error;
2750		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
2751					t_6axis_config.xcoords_uv,
2752					t_6axis_config.width_uv *
2753					t_6axis_config.height_uv *
2754					sizeof(*dvs_6axis_config->xcoords_uv),
2755					from_user))
2756			goto error;
2757		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
2758					t_6axis_config.ycoords_uv,
2759					t_6axis_config.width_uv *
2760					t_6axis_config.height_uv *
2761					sizeof(*dvs_6axis_config->ycoords_uv),
2762					from_user))
2763			goto error;
2764	} else {
2765		if (old_6axis_config &&
2766		    (old_6axis_config->width_y != source_6axis_config->width_y ||
2767		    old_6axis_config->height_y != source_6axis_config->height_y ||
2768		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
2769		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
2770			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2771			css_param->dvs_6axis = NULL;
2772
2773			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2774			if (!dvs_6axis_config) {
2775				ret = -ENOMEM;
2776				goto error;
2777			}
2778		} else if (!dvs_6axis_config) {
2779			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2780			if (!dvs_6axis_config) {
2781				ret = -ENOMEM;
2782				goto error;
2783			}
2784		}
2785
2786		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
2787
2788		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
2789					source_6axis_config->xcoords_y,
2790					source_6axis_config->width_y *
2791					source_6axis_config->height_y *
2792					sizeof(*source_6axis_config->xcoords_y),
2793					from_user))
2794			goto error;
2795		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
2796					source_6axis_config->ycoords_y,
2797					source_6axis_config->width_y *
2798					source_6axis_config->height_y *
2799					sizeof(*source_6axis_config->ycoords_y),
2800					from_user))
2801			goto error;
2802		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
2803					source_6axis_config->xcoords_uv,
2804					source_6axis_config->width_uv *
2805					source_6axis_config->height_uv *
2806					sizeof(*source_6axis_config->xcoords_uv),
2807					from_user))
2808			goto error;
2809		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
2810					source_6axis_config->ycoords_uv,
2811					source_6axis_config->width_uv *
2812					source_6axis_config->height_uv *
2813					sizeof(*source_6axis_config->ycoords_uv),
2814					from_user))
2815			goto error;
2816	}
2817	css_param->dvs_6axis = dvs_6axis_config;
2818	css_param->update_flag.dvs_6axis_config =
2819	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
2820	return 0;
2821
2822error:
2823	if (dvs_6axis_config)
2824		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
2825	return ret;
2826}
2827
2828int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
2829			   struct atomisp_morph_table *source_morph_table,
2830			   struct atomisp_css_params *css_param,
2831			   bool from_user)
2832{
2833	int ret = -EFAULT;
2834	unsigned int i;
2835	struct ia_css_morph_table *morph_table;
2836	struct ia_css_morph_table *old_morph_table;
2837
2838	if (!source_morph_table)
2839		return 0;
2840
2841	if (!from_user && css_param->update_flag.morph_table)
2842		return 0;
2843
2844	old_morph_table = css_param->morph_table;
2845
2846	if (IS_ISP2401) {
2847		struct ia_css_morph_table mtbl;
2848
2849		if (copy_from_compatible(&mtbl, source_morph_table,
2850				sizeof(struct atomisp_morph_table),
2851				from_user)) {
2852			dev_err(asd->isp->dev, "copy morph table failed!");
2853			return -EFAULT;
2854		}
2855
2856		morph_table = atomisp_css_morph_table_allocate(
2857				mtbl.width,
2858				mtbl.height);
2859		if (!morph_table)
2860			return -ENOMEM;
2861
2862		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2863			if (copy_from_compatible(morph_table->coordinates_x[i],
2864						(__force void *)source_morph_table->coordinates_x[i],
2865						mtbl.height * mtbl.width *
2866						sizeof(*morph_table->coordinates_x[i]),
2867						from_user))
2868				goto error;
2869
2870			if (copy_from_compatible(morph_table->coordinates_y[i],
2871						(__force void *)source_morph_table->coordinates_y[i],
2872						mtbl.height * mtbl.width *
2873						sizeof(*morph_table->coordinates_y[i]),
2874						from_user))
2875				goto error;
2876		}
2877	} else {
2878		morph_table = atomisp_css_morph_table_allocate(
2879				source_morph_table->width,
2880				source_morph_table->height);
2881		if (!morph_table) {
2882			ret = -ENOMEM;
2883			goto error;
2884		}
2885
2886		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2887			if (copy_from_compatible(morph_table->coordinates_x[i],
2888						(__force void *)source_morph_table->coordinates_x[i],
2889						source_morph_table->height * source_morph_table->width *
2890						sizeof(*source_morph_table->coordinates_x[i]),
2891						from_user))
2892				goto error;
2893
2894			if (copy_from_compatible(morph_table->coordinates_y[i],
2895						(__force void *)source_morph_table->coordinates_y[i],
2896						source_morph_table->height * source_morph_table->width *
2897						sizeof(*source_morph_table->coordinates_y[i]),
2898						from_user))
2899				goto error;
2900		}
2901	}
2902
2903	css_param->morph_table = morph_table;
2904	if (old_morph_table)
2905		atomisp_css_morph_table_free(old_morph_table);
2906	css_param->update_flag.morph_table =
2907	    (struct atomisp_morph_table *)morph_table;
2908	return 0;
2909
2910error:
2911	if (morph_table)
2912		atomisp_css_morph_table_free(morph_table);
2913	return ret;
2914}
2915
2916int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
2917				  struct atomisp_parameters *arg,
2918				  struct atomisp_css_params *css_param)
2919{
2920	int ret;
2921
2922	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
2923	if (ret)
2924		return ret;
2925	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
2926	if (ret)
2927		return ret;
2928	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
2929	if (ret)
2930		return ret;
2931	ret = atomisp_css_cp_dvs2_coefs(asd,
2932					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
2933					css_param, false);
2934	if (ret)
2935		return ret;
2936	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
2937					  css_param, false);
2938	return ret;
2939}
2940
2941void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
2942{
2943	if (css_param->dvs_6axis) {
2944		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2945		css_param->dvs_6axis = NULL;
2946	}
2947	if (css_param->dvs2_coeff) {
2948		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2949		css_param->dvs2_coeff = NULL;
2950	}
2951	if (css_param->shading_table) {
2952		ia_css_shading_table_free(css_param->shading_table);
2953		css_param->shading_table = NULL;
2954	}
2955	if (css_param->morph_table) {
2956		ia_css_morph_table_free(css_param->morph_table);
2957		css_param->morph_table = NULL;
2958	}
2959}
2960
2961static void atomisp_move_frame_to_activeq(struct ia_css_frame *frame,
2962					  struct atomisp_css_params_with_list *param)
2963{
2964	struct atomisp_video_pipe *pipe = vb_to_pipe(&frame->vb.vb2_buf);
2965	unsigned long irqflags;
2966
2967	pipe->frame_params[frame->vb.vb2_buf.index] = param;
2968	spin_lock_irqsave(&pipe->irq_lock, irqflags);
2969	list_move_tail(&frame->queue, &pipe->activeq);
2970	spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
2971}
2972
2973/*
2974 * Check parameter queue list and buffer queue list to find out if matched items
2975 * and then set parameter to CSS and enqueue buffer to CSS.
2976 * Of course, if the buffer in buffer waiting list is not bound to a per-frame
2977 * parameter, it will be enqueued into CSS as long as the per-frame setting
2978 * buffers before it get enqueued.
2979 */
2980void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
2981{
2982	struct atomisp_sub_device *asd = pipe->asd;
2983	struct ia_css_frame *frame = NULL, *frame_tmp;
2984	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
2985	bool need_to_enqueue_buffer = false;
2986	int i;
2987
2988	lockdep_assert_held(&asd->isp->mutex);
2989
2990	/*
2991	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
2992	 * is streamon.
2993	 */
2994	if (!asd->streaming)
2995		return;
2996
2997	if (list_empty(&pipe->per_frame_params) ||
2998	    list_empty(&pipe->buffers_waiting_for_param))
2999		return;
3000
3001	list_for_each_entry_safe(frame, frame_tmp,
3002				 &pipe->buffers_waiting_for_param, queue) {
3003		i = frame->vb.vb2_buf.index;
3004		if (pipe->frame_request_config_id[i]) {
3005			list_for_each_entry_safe(param, param_tmp,
3006						 &pipe->per_frame_params, list) {
3007				if (pipe->frame_request_config_id[i] != param->params.isp_config_id)
3008					continue;
3009
3010				list_del(&param->list);
3011
3012				/*
3013				 * clear the request config id as the buffer
3014				 * will be handled and enqueued into CSS soon
3015				 */
3016				pipe->frame_request_config_id[i] = 0;
3017				atomisp_move_frame_to_activeq(frame, param);
3018				need_to_enqueue_buffer = true;
3019				break;
3020			}
3021
3022			/* If this is the end, stop further loop */
3023			if (list_entry_is_head(param, &pipe->per_frame_params, list))
3024				break;
3025		} else {
3026			atomisp_move_frame_to_activeq(frame, NULL);
3027			need_to_enqueue_buffer = true;
3028		}
3029	}
3030
3031	if (!need_to_enqueue_buffer)
3032		return;
3033
3034	atomisp_qbuffers_to_css(asd);
3035}
3036
3037/*
3038* Function to configure ISP parameters
3039*/
3040int atomisp_set_parameters(struct video_device *vdev,
3041			   struct atomisp_parameters *arg)
3042{
3043	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
3044	struct atomisp_sub_device *asd = pipe->asd;
3045	struct atomisp_css_params_with_list *param = NULL;
3046	struct atomisp_css_params *css_param = &asd->params.css_param;
3047	int ret;
3048
3049	lockdep_assert_held(&asd->isp->mutex);
3050
3051	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
3052		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
3053		return -EINVAL;
3054	}
3055
3056	dev_dbg(asd->isp->dev, "set parameter(per_frame_setting %d) isp_config_id %d of %s\n",
3057		arg->per_frame_setting, arg->isp_config_id, vdev->name);
3058
3059	if (arg->per_frame_setting) {
3060		/*
3061		 * Per-frame setting enabled, we allocate a new parameter
3062		 * buffer to cache the parameters and only when frame buffers
3063		 * are ready, the parameters will be set to CSS.
3064		 * per-frame setting only works for the main output frame.
3065		 */
3066		param = kvzalloc(sizeof(*param), GFP_KERNEL);
3067		if (!param) {
3068			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
3069				__func__);
3070			return -ENOMEM;
3071		}
3072		css_param = &param->params;
3073	}
3074
3075	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
3076	if (ret)
3077		goto apply_parameter_failed;
3078
3079	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
3080	if (ret)
3081		goto apply_parameter_failed;
3082
3083	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
3084	if (ret)
3085		goto apply_parameter_failed;
3086
3087	ret = atomisp_css_cp_dvs2_coefs(asd,
3088					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
3089					css_param, true);
3090	if (ret)
3091		goto apply_parameter_failed;
3092
3093	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
3094					  css_param, true);
3095	if (ret)
3096		goto apply_parameter_failed;
3097
3098	if (!arg->per_frame_setting) {
3099		/* indicate to CSS that we have parameters to be updated */
3100		asd->params.css_update_params_needed = true;
3101	} else {
3102		list_add_tail(&param->list, &pipe->per_frame_params);
3103		atomisp_handle_parameter_and_buffer(pipe);
3104	}
3105
3106	return 0;
3107
3108apply_parameter_failed:
3109	if (css_param)
3110		atomisp_free_css_parameters(css_param);
3111	kvfree(param);
3112
3113	return ret;
3114}
3115
3116/*
3117 * Function to set/get isp parameters to isp
3118 */
3119int atomisp_param(struct atomisp_sub_device *asd, int flag,
3120		  struct atomisp_parm *config)
3121{
3122	struct ia_css_pipe_config *vp_cfg =
3123		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
3124		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
3125
3126	/* Read parameter for 3A binary info */
3127	if (flag == 0) {
3128		struct ia_css_dvs_grid_info *dvs_grid_info =
3129		    atomisp_css_get_dvs_grid_info(
3130			&asd->params.curr_grid_info);
3131
3132		atomisp_curr_user_grid_info(asd, &config->info);
3133
3134		/* We always return the resolution and stride even if there is
3135		 * no valid metadata. This allows the caller to get the
3136		 * information needed to allocate user-space buffers. */
3137		config->metadata_config.metadata_height = asd->
3138			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3139			metadata_info.resolution.height;
3140		config->metadata_config.metadata_stride = asd->
3141			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3142			metadata_info.stride;
3143
3144		/* update dvs grid info */
3145		if (dvs_grid_info)
3146			memcpy(&config->dvs_grid,
3147			       dvs_grid_info,
3148			       sizeof(struct ia_css_dvs_grid_info));
3149
3150		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3151			config->dvs_envelop.width = 0;
3152			config->dvs_envelop.height = 0;
3153			return 0;
3154		}
3155
3156		/* update dvs envelop info */
3157		config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
3158		config->dvs_envelop.height = vp_cfg->dvs_envelope.height;
3159		return 0;
3160	}
3161
3162	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
3163	       sizeof(struct ia_css_wb_config));
3164	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
3165	       sizeof(struct ia_css_ob_config));
3166	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
3167	       sizeof(struct ia_css_dp_config));
3168	memcpy(&asd->params.css_param.de_config, &config->de_config,
3169	       sizeof(struct ia_css_de_config));
3170	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
3171	       sizeof(struct ia_css_dz_config));
3172	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
3173	       sizeof(struct ia_css_ce_config));
3174	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
3175	       sizeof(struct ia_css_nr_config));
3176	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
3177	       sizeof(struct ia_css_ee_config));
3178	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
3179	       sizeof(struct ia_css_tnr_config));
3180
3181	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
3182		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
3183		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
3184		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
3185		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
3186		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
3187		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
3188	}
3189
3190	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
3191	    asd->params.color_effect != V4L2_COLORFX_BW) {
3192		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
3193		       sizeof(struct ia_css_cc_config));
3194		asd->params.config.cc_config = &asd->params.css_param.cc_config;
3195	}
3196
3197	asd->params.config.wb_config = &asd->params.css_param.wb_config;
3198	asd->params.config.ob_config = &asd->params.css_param.ob_config;
3199	asd->params.config.de_config = &asd->params.css_param.de_config;
3200	asd->params.config.dz_config = &asd->params.css_param.dz_config;
3201	asd->params.config.ce_config = &asd->params.css_param.ce_config;
3202	asd->params.config.dp_config = &asd->params.css_param.dp_config;
3203	asd->params.config.nr_config = &asd->params.css_param.nr_config;
3204	asd->params.config.ee_config = &asd->params.css_param.ee_config;
3205	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
3206	asd->params.css_update_params_needed = true;
3207
3208	return 0;
3209}
3210
3211/*
3212 * Function to configure color effect of the image
3213 */
3214int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
3215			 __s32 *effect)
3216{
3217	struct ia_css_cc_config *cc_config = NULL;
3218	struct ia_css_macc_table *macc_table = NULL;
3219	struct ia_css_ctc_table *ctc_table = NULL;
3220	int ret = 0;
3221	struct v4l2_control control;
3222	struct atomisp_device *isp = asd->isp;
3223
3224	if (flag == 0) {
3225		*effect = asd->params.color_effect;
3226		return 0;
3227	}
3228
3229	control.id = V4L2_CID_COLORFX;
3230	control.value = *effect;
3231	ret =
3232	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
3233			&control);
3234	/*
3235	 * if set color effect to sensor successfully, return
3236	 * 0 directly.
3237	 */
3238	if (!ret) {
3239		asd->params.color_effect = (u32)*effect;
3240		return 0;
3241	}
3242
3243	if (*effect == asd->params.color_effect)
3244		return 0;
3245
3246	/*
3247	 * isp_subdev->params.macc_en should be set to false.
3248	 */
3249	asd->params.macc_en = false;
3250
3251	switch (*effect) {
3252	case V4L2_COLORFX_NONE:
3253		macc_table = &asd->params.css_param.macc_table;
3254		asd->params.macc_en = true;
3255		break;
3256	case V4L2_COLORFX_SEPIA:
3257		cc_config = &sepia_cc_config;
3258		break;
3259	case V4L2_COLORFX_NEGATIVE:
3260		cc_config = &nega_cc_config;
3261		break;
3262	case V4L2_COLORFX_BW:
3263		cc_config = &mono_cc_config;
3264		break;
3265	case V4L2_COLORFX_SKY_BLUE:
3266		macc_table = &blue_macc_table;
3267		asd->params.macc_en = true;
3268		break;
3269	case V4L2_COLORFX_GRASS_GREEN:
3270		macc_table = &green_macc_table;
3271		asd->params.macc_en = true;
3272		break;
3273	case V4L2_COLORFX_SKIN_WHITEN_LOW:
3274		macc_table = &skin_low_macc_table;
3275		asd->params.macc_en = true;
3276		break;
3277	case V4L2_COLORFX_SKIN_WHITEN:
3278		macc_table = &skin_medium_macc_table;
3279		asd->params.macc_en = true;
3280		break;
3281	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
3282		macc_table = &skin_high_macc_table;
3283		asd->params.macc_en = true;
3284		break;
3285	case V4L2_COLORFX_VIVID:
3286		ctc_table = &vivid_ctc_table;
3287		break;
3288	default:
3289		return -EINVAL;
3290	}
3291	atomisp_update_capture_mode(asd);
3292
3293	if (cc_config)
3294		asd->params.config.cc_config = cc_config;
3295	if (macc_table)
3296		asd->params.config.macc_table = macc_table;
3297	if (ctc_table)
3298		atomisp_css_set_ctc_table(asd, ctc_table);
3299	asd->params.color_effect = (u32)*effect;
3300	asd->params.css_update_params_needed = true;
3301	return 0;
3302}
3303
3304/*
3305 * Function to configure bad pixel correction
3306 */
3307int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
3308		      __s32 *value)
3309{
3310	if (flag == 0) {
3311		*value = asd->params.bad_pixel_en;
3312		return 0;
3313	}
3314	asd->params.bad_pixel_en = !!*value;
3315
3316	return 0;
3317}
3318
3319/*
3320 * Function to configure bad pixel correction params
3321 */
3322int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
3323			    struct atomisp_dp_config *config)
3324{
3325	if (flag == 0) {
3326		/* Get bad pixel from current setup */
3327		if (atomisp_css_get_dp_config(asd, config))
3328			return -EINVAL;
3329	} else {
3330		/* Set bad pixel to isp parameters */
3331		memcpy(&asd->params.css_param.dp_config, config,
3332		       sizeof(asd->params.css_param.dp_config));
3333		asd->params.config.dp_config = &asd->params.css_param.dp_config;
3334		asd->params.css_update_params_needed = true;
3335	}
3336
3337	return 0;
3338}
3339
3340/*
3341 * Function to enable/disable video image stablization
3342 */
3343int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
3344			 __s32 *value)
3345{
3346	if (flag == 0)
3347		*value = asd->params.video_dis_en;
3348	else
3349		asd->params.video_dis_en = !!*value;
3350
3351	return 0;
3352}
3353
3354/*
3355 * Function to configure fixed pattern noise
3356 */
3357int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
3358			  __s32 *value)
3359{
3360	if (flag == 0) {
3361		*value = asd->params.fpn_en;
3362		return 0;
3363	}
3364
3365	if (*value == 0) {
3366		asd->params.fpn_en = false;
3367		return 0;
3368	}
3369
3370	/* Add function to get black from from sensor with shutter off */
3371	return 0;
3372}
3373
3374static unsigned int
3375atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
3376				     enum ia_css_frame_format format)
3377{
3378	switch (format) {
3379	case IA_CSS_FRAME_FORMAT_UYVY:
3380	case IA_CSS_FRAME_FORMAT_YUYV:
3381	case IA_CSS_FRAME_FORMAT_RAW:
3382	case IA_CSS_FRAME_FORMAT_RGB565:
3383		return bytesperline / 2;
3384	case IA_CSS_FRAME_FORMAT_RGBA888:
3385		return bytesperline / 4;
3386	/* The following cases could be removed, but we leave them
3387	   in to document the formats that are included. */
3388	case IA_CSS_FRAME_FORMAT_NV11:
3389	case IA_CSS_FRAME_FORMAT_NV12:
3390	case IA_CSS_FRAME_FORMAT_NV16:
3391	case IA_CSS_FRAME_FORMAT_NV21:
3392	case IA_CSS_FRAME_FORMAT_NV61:
3393	case IA_CSS_FRAME_FORMAT_YV12:
3394	case IA_CSS_FRAME_FORMAT_YV16:
3395	case IA_CSS_FRAME_FORMAT_YUV420:
3396	case IA_CSS_FRAME_FORMAT_YUV420_16:
3397	case IA_CSS_FRAME_FORMAT_YUV422:
3398	case IA_CSS_FRAME_FORMAT_YUV422_16:
3399	case IA_CSS_FRAME_FORMAT_YUV444:
3400	case IA_CSS_FRAME_FORMAT_YUV_LINE:
3401	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
3402	case IA_CSS_FRAME_FORMAT_QPLANE6:
3403	case IA_CSS_FRAME_FORMAT_BINARY_8:
3404	default:
3405		return bytesperline;
3406	}
3407}
3408
3409static int
3410atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
3411				      struct ia_css_frame **result)
3412{
3413	struct ia_css_frame *res = NULL;
3414	unsigned int padded_width;
3415	enum ia_css_frame_format sh_format;
3416	char *tmp_buf = NULL;
3417	int ret = 0;
3418
3419	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
3420	padded_width = atomisp_bytesperline_to_padded_width(
3421			   arg->fmt.bytesperline, sh_format);
3422
3423	/* Note: the padded width on an ia_css_frame is in elements, not in
3424	   bytes. The RAW frame we use here should always be a 16bit RAW
3425	   frame. This is why we bytesperline/2 is equal to the padded with */
3426	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
3427				       sh_format, padded_width, 0)) {
3428		ret = -ENOMEM;
3429		goto err;
3430	}
3431
3432	tmp_buf = vmalloc(arg->fmt.sizeimage);
3433	if (!tmp_buf) {
3434		ret = -ENOMEM;
3435		goto err;
3436	}
3437	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
3438			   arg->fmt.sizeimage)) {
3439		ret = -EFAULT;
3440		goto err;
3441	}
3442
3443	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
3444		ret = -EINVAL;
3445		goto err;
3446	}
3447
3448err:
3449	if (ret && res)
3450		ia_css_frame_free(res);
3451	vfree(tmp_buf);
3452	if (ret == 0)
3453		*result = res;
3454	return ret;
3455}
3456
3457/*
3458 * Function to configure fixed pattern noise table
3459 */
3460int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
3461				struct v4l2_framebuffer *arg)
3462{
3463	struct ia_css_frame *raw_black_frame = NULL;
3464	int ret;
3465
3466	if (!arg)
3467		return -EINVAL;
3468
3469	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
3470	if (ret)
3471		return ret;
3472
3473	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
3474				   raw_black_frame) != 0)
3475		return -ENOMEM;
3476
3477	ia_css_frame_free(raw_black_frame);
3478	return ret;
3479}
3480
3481/*
3482 * Function to configure false color correction
3483 */
3484int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
3485			__s32 *value)
3486{
3487	/* Get nr config from current setup */
3488	if (flag == 0) {
3489		*value = asd->params.false_color;
3490		return 0;
3491	}
3492
3493	/* Set nr config to isp parameters */
3494	if (*value) {
3495		asd->params.config.de_config = NULL;
3496	} else {
3497		asd->params.css_param.de_config.pixelnoise = 0;
3498		asd->params.config.de_config = &asd->params.css_param.de_config;
3499	}
3500	asd->params.css_update_params_needed = true;
3501	asd->params.false_color = *value;
3502	return 0;
3503}
3504
3505/*
3506 * Function to configure bad pixel correction params
3507 */
3508int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
3509			      struct atomisp_de_config *config)
3510{
3511	if (flag == 0) {
3512		/* Get false color from current setup */
3513		if (atomisp_css_get_de_config(asd, config))
3514			return -EINVAL;
3515	} else {
3516		/* Set false color to isp parameters */
3517		memcpy(&asd->params.css_param.de_config, config,
3518		       sizeof(asd->params.css_param.de_config));
3519		asd->params.config.de_config = &asd->params.css_param.de_config;
3520		asd->params.css_update_params_needed = true;
3521	}
3522
3523	return 0;
3524}
3525
3526/*
3527 * Function to configure white balance params
3528 */
3529int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
3530				struct atomisp_wb_config *config)
3531{
3532	if (flag == 0) {
3533		/* Get white balance from current setup */
3534		if (atomisp_css_get_wb_config(asd, config))
3535			return -EINVAL;
3536	} else {
3537		/* Set white balance to isp parameters */
3538		memcpy(&asd->params.css_param.wb_config, config,
3539		       sizeof(asd->params.css_param.wb_config));
3540		asd->params.config.wb_config = &asd->params.css_param.wb_config;
3541		asd->params.css_update_params_needed = true;
3542	}
3543
3544	return 0;
3545}
3546
3547int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
3548			    struct atomisp_3a_config *config)
3549{
3550	struct atomisp_device *isp = asd->isp;
3551
3552	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
3553
3554	if (flag == 0) {
3555		/* Get white balance from current setup */
3556		if (atomisp_css_get_3a_config(asd, config))
3557			return -EINVAL;
3558	} else {
3559		/* Set white balance to isp parameters */
3560		memcpy(&asd->params.css_param.s3a_config, config,
3561		       sizeof(asd->params.css_param.s3a_config));
3562		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
3563		asd->params.css_update_params_needed = true;
3564	}
3565
3566	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
3567	return 0;
3568}
3569
3570/*
3571 * Function to setup digital zoom
3572 */
3573int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
3574			 __s32 *value)
3575{
3576	u32 zoom;
3577	struct atomisp_device *isp = asd->isp;
3578
3579	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
3580
3581	if (flag == 0) {
3582		atomisp_css_get_zoom_factor(asd, &zoom);
3583		*value = max_zoom - zoom;
3584	} else {
3585		if (*value < 0)
3586			return -EINVAL;
3587
3588		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
3589		atomisp_css_set_zoom_factor(asd, zoom);
3590
3591		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
3592		asd->params.css_update_params_needed = true;
3593	}
3594
3595	return 0;
3596}
3597
3598static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
3599					u16 stream_index, struct atomisp_input_stream_info *stream_info)
3600{
3601	int i;
3602
3603	/* assign virtual channel id return from sensor driver query */
3604	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
3605	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
3606	for (i = 0; i < stream_info->isys_configs; i++) {
3607		asd->stream_env[stream_index].isys_info[i].input_format =
3608		    stream_info->isys_info[i].input_format;
3609		asd->stream_env[stream_index].isys_info[i].width =
3610		    stream_info->isys_info[i].width;
3611		asd->stream_env[stream_index].isys_info[i].height =
3612		    stream_info->isys_info[i].height;
3613	}
3614}
3615
3616static void __atomisp_init_stream_info(u16 stream_index,
3617				       struct atomisp_input_stream_info *stream_info)
3618{
3619	int i;
3620
3621	stream_info->enable = 1;
3622	stream_info->stream = stream_index;
3623	stream_info->ch_id = 0;
3624	stream_info->isys_configs = 0;
3625	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
3626		stream_info->isys_info[i].input_format = 0;
3627		stream_info->isys_info[i].width = 0;
3628		stream_info->isys_info[i].height = 0;
3629	}
3630}
3631
3632static void atomisp_fill_pix_format(struct v4l2_pix_format *f,
3633				    u32 width, u32 height,
3634				    const struct atomisp_format_bridge *br_fmt)
3635{
3636	u32 bytes;
3637
3638	f->width = width;
3639	f->height = height;
3640	f->pixelformat = br_fmt->pixelformat;
3641
3642	/* Adding padding to width for bytesperline calculation */
3643	width = ia_css_frame_pad_width(width, br_fmt->sh_fmt);
3644	bytes = BITS_TO_BYTES(br_fmt->depth * width);
3645
3646	if (br_fmt->planar)
3647		f->bytesperline = width;
3648	else
3649		f->bytesperline = bytes;
3650
3651	f->sizeimage = PAGE_ALIGN(height * bytes);
3652
3653	if (f->field == V4L2_FIELD_ANY)
3654		f->field = V4L2_FIELD_NONE;
3655
3656	/*
3657	 * FIXME: do we need to set this up differently, depending on the
3658	 * sensor or the pipeline?
3659	 */
3660	f->colorspace = V4L2_COLORSPACE_REC709;
3661	f->ycbcr_enc = V4L2_YCBCR_ENC_709;
3662	f->xfer_func = V4L2_XFER_FUNC_709;
3663}
3664
3665/* Get sensor padding values for the non padded width x height resolution */
3666void atomisp_get_padding(struct atomisp_device *isp, u32 width, u32 height,
3667			 u32 *padding_w, u32 *padding_h)
3668{
3669	struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
3670	struct v4l2_rect native_rect = input->native_rect;
3671	const struct atomisp_in_fmt_conv *fc = NULL;
3672	u32 min_pad_w = ISP2400_MIN_PAD_W;
3673	u32 min_pad_h = ISP2400_MIN_PAD_H;
3674	struct v4l2_mbus_framefmt *sink;
3675
3676	if (!input->crop_support) {
3677		*padding_w = pad_w;
3678		*padding_h = pad_h;
3679		return;
3680	}
3681
3682	width = min(width, input->active_rect.width);
3683	height = min(height, input->active_rect.height);
3684
3685	if (input->binning_support && width <= (input->active_rect.width / 2) &&
3686				      height <= (input->active_rect.height / 2)) {
3687		native_rect.width /= 2;
3688		native_rect.height /= 2;
3689	}
3690
3691	*padding_w = min_t(u32, (native_rect.width - width) & ~1, pad_w);
3692	*padding_h = min_t(u32, (native_rect.height - height) & ~1, pad_h);
3693
3694	/* The below minimum padding requirements are for BYT / ISP2400 only */
3695	if (IS_ISP2401)
3696		return;
3697
3698	sink = atomisp_subdev_get_ffmt(&isp->asd.subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
3699				       ATOMISP_SUBDEV_PAD_SINK);
3700	if (sink)
3701		fc = atomisp_find_in_fmt_conv(sink->code);
3702	if (!fc) {
3703		dev_warn(isp->dev, "%s: Could not get sensor format\n", __func__);
3704		goto apply_min_padding;
3705	}
3706
3707	/*
3708	 * The ISP only supports GRBG for other bayer-orders additional padding
3709	 * is used so that the raw sensor data can be cropped to fix the order.
3710	 */
3711	if (fc->bayer_order == IA_CSS_BAYER_ORDER_RGGB ||
3712	    fc->bayer_order == IA_CSS_BAYER_ORDER_GBRG)
3713		min_pad_w += 2;
3714
3715	if (fc->bayer_order == IA_CSS_BAYER_ORDER_BGGR ||
3716	    fc->bayer_order == IA_CSS_BAYER_ORDER_GBRG)
3717		min_pad_h += 2;
3718
3719apply_min_padding:
3720	*padding_w = max_t(u32, *padding_w, min_pad_w);
3721	*padding_h = max_t(u32, *padding_h, min_pad_h);
3722}
3723
3724static int atomisp_set_crop_and_fmt(struct atomisp_device *isp,
3725				    struct v4l2_mbus_framefmt *ffmt,
3726				    int which)
3727{
3728	struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
3729	struct v4l2_subdev_selection sel = {
3730		.which = which,
3731		.target = V4L2_SEL_TGT_CROP,
3732		.r.width = ffmt->width,
3733		.r.height = ffmt->height,
3734	};
3735	struct v4l2_subdev_format format = {
3736		.which = which,
3737		.format = *ffmt,
3738	};
3739	struct v4l2_subdev_state *sd_state;
3740	int ret = 0;
3741
3742	if (!input->camera)
3743		return -EINVAL;
3744
3745	sd_state = (which == V4L2_SUBDEV_FORMAT_TRY) ? input->try_sd_state :
3746						       input->camera->active_state;
3747	if (sd_state)
3748		v4l2_subdev_lock_state(sd_state);
3749
3750	if (!input->crop_support)
3751		goto set_fmt;
3752
3753	/* Cropping is done before binning, when binning double the crop rect */
3754	if (input->binning_support && sel.r.width <= (input->native_rect.width / 2) &&
3755				      sel.r.height <= (input->native_rect.height / 2)) {
3756		sel.r.width *= 2;
3757		sel.r.height *= 2;
3758	}
3759
3760	/* Clamp to avoid top/left calculations overflowing */
3761	sel.r.width = min(sel.r.width, input->native_rect.width);
3762	sel.r.height = min(sel.r.height, input->native_rect.height);
3763
3764	sel.r.left = ((input->native_rect.width - sel.r.width) / 2) & ~1;
3765	sel.r.top = ((input->native_rect.height - sel.r.height) / 2) & ~1;
3766
3767	ret = v4l2_subdev_call(input->camera, pad, set_selection, sd_state, &sel);
3768	if (ret)
3769		dev_err(isp->dev, "Error setting crop to %ux%u @%ux%u: %d\n",
3770			sel.r.width, sel.r.height, sel.r.left, sel.r.top, ret);
3771
3772set_fmt:
3773	if (ret == 0)
3774		ret = v4l2_subdev_call(input->camera, pad, set_fmt, sd_state, &format);
3775
3776	if (sd_state)
3777		v4l2_subdev_unlock_state(sd_state);
3778
3779	*ffmt = format.format;
3780	return ret;
3781}
3782
3783/* This function looks up the closest available resolution. */
3784int atomisp_try_fmt(struct atomisp_device *isp, struct v4l2_pix_format *f,
3785		    const struct atomisp_format_bridge **fmt_ret,
3786		    const struct atomisp_format_bridge **snr_fmt_ret)
3787{
3788	const struct atomisp_format_bridge *fmt, *snr_fmt;
3789	struct atomisp_sub_device *asd = &isp->asd;
3790	struct v4l2_mbus_framefmt ffmt = { };
3791	u32 padding_w, padding_h;
3792	int ret;
3793
3794	fmt = atomisp_get_format_bridge(f->pixelformat);
3795	/* Currently, raw formats are broken!!! */
3796	if (!fmt || fmt->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
3797		f->pixelformat = V4L2_PIX_FMT_YUV420;
3798
3799		fmt = atomisp_get_format_bridge(f->pixelformat);
3800		if (!fmt)
3801			return -EINVAL;
3802	}
3803
3804	/* The preview pipeline does not support width > 1920 */
3805	if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW)
3806		f->width = min_t(u32, f->width, 1920);
3807
3808	/*
3809	 * atomisp_set_fmt() will set the sensor resolution to the requested
3810	 * resolution + padding. Add padding here and remove it again after
3811	 * the set_fmt call, like atomisp_set_fmt_to_snr() does.
3812	 */
3813	atomisp_get_padding(isp, f->width, f->height, &padding_w, &padding_h);
3814	v4l2_fill_mbus_format(&ffmt, f, fmt->mbus_code);
3815	ffmt.width += padding_w;
3816	ffmt.height += padding_h;
3817
3818	dev_dbg(isp->dev, "try_mbus_fmt: try %ux%u\n", ffmt.width, ffmt.height);
3819
3820	ret = atomisp_set_crop_and_fmt(isp, &ffmt, V4L2_SUBDEV_FORMAT_TRY);
3821	if (ret)
3822		return ret;
3823
3824	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n", ffmt.width, ffmt.height);
3825
3826	snr_fmt = atomisp_get_format_bridge_from_mbus(ffmt.code);
3827	if (!snr_fmt) {
3828		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
3829			ffmt.code);
3830		return -EINVAL;
3831	}
3832
3833	f->width = ffmt.width - padding_w;
3834	f->height = ffmt.height - padding_h;
3835
3836	/*
3837	 * If the format is jpeg or custom RAW, then the width and height will
3838	 * not satisfy the normal atomisp requirements and no need to check
3839	 * the below conditions. So just assign to what is being returned from
3840	 * the sensor driver.
3841	 */
3842	if (f->pixelformat == V4L2_PIX_FMT_JPEG ||
3843	    f->pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW)
3844		goto out_fill_pix_format;
3845
3846	/* app vs isp */
3847	f->width = rounddown(clamp_t(u32, f->width, ATOM_ISP_MIN_WIDTH,
3848				     ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
3849	f->height = rounddown(clamp_t(u32, f->height, ATOM_ISP_MIN_HEIGHT,
3850				      ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
3851
3852out_fill_pix_format:
3853	atomisp_fill_pix_format(f, f->width, f->height, fmt);
3854
3855	if (fmt_ret)
3856		*fmt_ret = fmt;
3857
3858	if (snr_fmt_ret)
3859		*snr_fmt_ret = snr_fmt;
3860
3861	return 0;
3862}
3863
3864enum mipi_port_id atomisp_port_to_mipi_port(struct atomisp_device *isp,
3865					    enum atomisp_camera_port port)
3866{
3867	switch (port) {
3868	case ATOMISP_CAMERA_PORT_PRIMARY:
3869		return MIPI_PORT0_ID;
3870	case ATOMISP_CAMERA_PORT_SECONDARY:
3871		return MIPI_PORT1_ID;
3872	case ATOMISP_CAMERA_PORT_TERTIARY:
3873		return MIPI_PORT2_ID;
3874	default:
3875		dev_err(isp->dev, "unsupported port: %d\n", port);
3876		return MIPI_PORT0_ID;
3877	}
3878}
3879
3880static inline int atomisp_set_sensor_mipi_to_isp(
3881    struct atomisp_sub_device *asd,
3882    enum atomisp_input_stream_id stream_id,
3883    struct camera_mipi_info *mipi_info)
3884{
3885	struct v4l2_control ctrl;
3886	struct atomisp_device *isp = asd->isp;
3887	struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
3888	const struct atomisp_in_fmt_conv *fc;
3889	int mipi_freq = 0;
3890	unsigned int input_format, bayer_order;
3891	enum atomisp_input_format metadata_format = ATOMISP_INPUT_FORMAT_EMBEDDED;
3892	u32 mipi_port, metadata_width = 0, metadata_height = 0;
3893
3894	ctrl.id = V4L2_CID_LINK_FREQ;
3895	if (v4l2_g_ctrl(input->camera->ctrl_handler, &ctrl) == 0)
3896		mipi_freq = ctrl.value;
3897
3898	if (asd->stream_env[stream_id].isys_configs == 1) {
3899		input_format =
3900		    asd->stream_env[stream_id].isys_info[0].input_format;
3901		atomisp_css_isys_set_format(asd, stream_id,
3902					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
3903	} else if (asd->stream_env[stream_id].isys_configs == 2) {
3904		atomisp_css_isys_two_stream_cfg_update_stream1(
3905		    asd, stream_id,
3906		    asd->stream_env[stream_id].isys_info[0].input_format,
3907		    asd->stream_env[stream_id].isys_info[0].width,
3908		    asd->stream_env[stream_id].isys_info[0].height);
3909
3910		atomisp_css_isys_two_stream_cfg_update_stream2(
3911		    asd, stream_id,
3912		    asd->stream_env[stream_id].isys_info[1].input_format,
3913		    asd->stream_env[stream_id].isys_info[1].width,
3914		    asd->stream_env[stream_id].isys_info[1].height);
3915	}
3916
3917	/* Compatibility for sensors which provide no media bus code
3918	 * in s_mbus_framefmt() nor support pad formats. */
3919	if (mipi_info && mipi_info->input_format != -1) {
3920		bayer_order = mipi_info->raw_bayer_order;
3921
3922		/* Input stream config is still needs configured */
3923		/* TODO: Check if this is necessary */
3924		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
3925			 mipi_info->input_format);
3926		if (!fc)
3927			return -EINVAL;
3928		input_format = fc->atomisp_in_fmt;
3929		metadata_format = mipi_info->metadata_format;
3930		metadata_width = mipi_info->metadata_width;
3931		metadata_height = mipi_info->metadata_height;
3932	} else {
3933		struct v4l2_mbus_framefmt *sink;
3934
3935		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
3936					       V4L2_SUBDEV_FORMAT_ACTIVE,
3937					       ATOMISP_SUBDEV_PAD_SINK);
3938		fc = atomisp_find_in_fmt_conv(sink->code);
3939		if (!fc)
3940			return -EINVAL;
3941		input_format = fc->atomisp_in_fmt;
3942		bayer_order = fc->bayer_order;
3943	}
3944
3945	atomisp_css_input_set_format(asd, stream_id, input_format);
3946	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
3947
3948	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(metadata_format);
3949	if (!fc)
3950		return -EINVAL;
3951
3952	input_format = fc->atomisp_in_fmt;
3953	mipi_port = atomisp_port_to_mipi_port(isp, input->port);
3954	atomisp_css_input_configure_port(asd, mipi_port,
3955					 isp->sensor_lanes[mipi_port],
3956					 0xffff4, mipi_freq,
3957					 input_format,
3958					 metadata_width, metadata_height);
3959	return 0;
3960}
3961
3962static int configure_pp_input_nop(struct atomisp_sub_device *asd,
3963				  unsigned int width, unsigned int height)
3964{
3965	return 0;
3966}
3967
3968static int configure_output_nop(struct atomisp_sub_device *asd,
3969				unsigned int width, unsigned int height,
3970				unsigned int min_width,
3971				enum ia_css_frame_format sh_fmt)
3972{
3973	return 0;
3974}
3975
3976static int get_frame_info_nop(struct atomisp_sub_device *asd,
3977			      struct ia_css_frame_info *finfo)
3978{
3979	return 0;
3980}
3981
3982/*
3983 * Resets CSS parameters that depend on input resolution.
3984 *
3985 * Update params like CSS RAW binning, 2ppc mode and pp_input
3986 * which depend on input size, but are not automatically
3987 * handled in CSS when the input resolution is changed.
3988 */
3989static int css_input_resolution_changed(struct atomisp_sub_device *asd,
3990					struct v4l2_mbus_framefmt *ffmt)
3991{
3992	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
3993	unsigned int i;
3994
3995	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
3996		ffmt->width, ffmt->height);
3997
3998	if (IS_ISP2401)
3999		atomisp_css_input_set_two_pixels_per_clock(asd, false);
4000	else
4001		atomisp_css_input_set_two_pixels_per_clock(asd, true);
4002
4003	/*
4004	 * If sensor input changed, which means metadata resolution changed
4005	 * together. Release all metadata buffers here to let it re-allocated
4006	 * next time in reqbufs.
4007	 */
4008	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
4009		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
4010					 list) {
4011			atomisp_css_free_metadata_buffer(md_buf);
4012			list_del(&md_buf->list);
4013			kfree(md_buf);
4014		}
4015	}
4016	return 0;
4017
4018	/*
4019	 * TODO: atomisp_css_preview_configure_pp_input() not
4020	 *       reset due to CSS bug tracked as PSI BZ 115124
4021	 */
4022}
4023
4024static int atomisp_set_fmt_to_isp(struct video_device *vdev,
4025				  struct ia_css_frame_info *output_info,
4026				  const struct v4l2_pix_format *pix)
4027{
4028	struct camera_mipi_info *mipi_info;
4029	struct atomisp_device *isp = video_get_drvdata(vdev);
4030	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4031	struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
4032	const struct atomisp_format_bridge *format;
4033	struct v4l2_rect *isp_sink_crop;
4034	enum ia_css_pipe_id pipe_id;
4035	int (*configure_output)(struct atomisp_sub_device *asd,
4036				unsigned int width, unsigned int height,
4037				unsigned int min_width,
4038				enum ia_css_frame_format sh_fmt) =
4039				    configure_output_nop;
4040	int (*get_frame_info)(struct atomisp_sub_device *asd,
4041			      struct ia_css_frame_info *finfo) =
4042				  get_frame_info_nop;
4043	int (*configure_pp_input)(struct atomisp_sub_device *asd,
4044				  unsigned int width, unsigned int height) =
4045				      configure_pp_input_nop;
4046	const struct atomisp_in_fmt_conv *fc = NULL;
4047	int ret, i;
4048
4049	isp_sink_crop = atomisp_subdev_get_rect(
4050			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4051			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
4052
4053	format = atomisp_get_format_bridge(pix->pixelformat);
4054	if (!format)
4055		return -EINVAL;
4056
4057	if (input->type != TEST_PATTERN) {
4058		mipi_info = atomisp_to_sensor_mipi_info(input->camera);
4059
4060		if (atomisp_set_sensor_mipi_to_isp(asd, ATOMISP_INPUT_STREAM_GENERAL,
4061						   mipi_info))
4062			return -EINVAL;
4063
4064		if (mipi_info)
4065			fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(mipi_info->input_format);
4066
4067		if (!fc)
4068			fc = atomisp_find_in_fmt_conv(
4069				 atomisp_subdev_get_ffmt(&asd->subdev,
4070							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4071							 ATOMISP_SUBDEV_PAD_SINK)->code);
4072		if (!fc)
4073			return -EINVAL;
4074		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
4075		    raw_output_format_match_input(fc->atomisp_in_fmt,
4076						  pix->pixelformat))
4077			return -EINVAL;
4078	}
4079
4080	/*
4081	 * Configure viewfinder also when vfpp is disabled: the
4082	 * CSS still requires viewfinder configuration.
4083	 */
4084	{
4085		u32 width, height;
4086
4087		if (pix->width < 640 || pix->height < 480) {
4088			width = pix->width;
4089			height = pix->height;
4090		} else {
4091			width = 640;
4092			height = 480;
4093		}
4094
4095		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
4096		    asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4097			atomisp_css_video_configure_viewfinder(asd, width, height, 0,
4098							       IA_CSS_FRAME_FORMAT_NV12);
4099		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_STILL_CAPTURE ||
4100			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
4101			atomisp_css_capture_configure_viewfinder(asd, width, height, 0,
4102								 IA_CSS_FRAME_FORMAT_NV12);
4103		}
4104	}
4105
4106	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
4107
4108	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
4109		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
4110
4111	/* ISP2401 new input system need to use copy pipe */
4112	if (asd->copy_mode) {
4113		pipe_id = IA_CSS_PIPE_ID_COPY;
4114		atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL, false);
4115	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4116		/* video same in continuouscapture and online modes */
4117		configure_output = atomisp_css_video_configure_output;
4118		get_frame_info = atomisp_css_video_get_output_frame_info;
4119		pipe_id = IA_CSS_PIPE_ID_VIDEO;
4120	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4121		configure_output = atomisp_css_video_configure_output;
4122		get_frame_info = atomisp_css_video_get_output_frame_info;
4123		pipe_id = IA_CSS_PIPE_ID_VIDEO;
4124	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
4125		configure_output = atomisp_css_preview_configure_output;
4126		get_frame_info = atomisp_css_preview_get_output_frame_info;
4127		configure_pp_input = atomisp_css_preview_configure_pp_input;
4128		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
4129	} else {
4130		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
4131			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
4132			atomisp_css_enable_dz(asd, false);
4133		} else {
4134			atomisp_update_capture_mode(asd);
4135		}
4136
4137		/* in case of ANR, force capture pipe to offline mode */
4138		atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
4139						  !asd->params.low_light);
4140
4141		configure_output = atomisp_css_capture_configure_output;
4142		get_frame_info = atomisp_css_capture_get_output_frame_info;
4143		configure_pp_input = atomisp_css_capture_configure_pp_input;
4144		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
4145
4146		if (asd->run_mode->val != ATOMISP_RUN_MODE_STILL_CAPTURE) {
4147			dev_err(isp->dev,
4148				"Need to set the running mode first\n");
4149			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
4150		}
4151	}
4152
4153	if (asd->copy_mode)
4154		ret = atomisp_css_copy_configure_output(asd, ATOMISP_INPUT_STREAM_GENERAL,
4155							pix->width, pix->height,
4156							format->planar ? pix->bytesperline :
4157							pix->bytesperline * 8 / format->depth,
4158							format->sh_fmt);
4159	else
4160		ret = configure_output(asd, pix->width, pix->height,
4161				       format->planar ? pix->bytesperline :
4162				       pix->bytesperline * 8 / format->depth,
4163				       format->sh_fmt);
4164	if (ret) {
4165		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
4166			pix->width, pix->height, format->sh_fmt);
4167		return -EINVAL;
4168	}
4169
4170	ret = configure_pp_input(asd, isp_sink_crop->width, isp_sink_crop->height);
4171	if (ret) {
4172		dev_err(isp->dev, "configure_pp_input %ux%u\n",
4173			isp_sink_crop->width,
4174			isp_sink_crop->height);
4175		return -EINVAL;
4176	}
4177	if (asd->copy_mode)
4178		ret = atomisp_css_copy_get_output_frame_info(asd,
4179							     ATOMISP_INPUT_STREAM_GENERAL,
4180							     output_info);
4181	else
4182		ret = get_frame_info(asd, output_info);
4183	if (ret) {
4184		dev_err(isp->dev, "__get_frame_info %ux%u (padded to %u) returned %d\n",
4185			pix->width, pix->height, pix->bytesperline, ret);
4186		return ret;
4187	}
4188
4189	atomisp_update_grid_info(asd, pipe_id);
4190	return 0;
4191}
4192
4193static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
4194				    unsigned int width, unsigned int height,
4195				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
4196{
4197	if (asd->params.video_dis_en &&
4198	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4199		/* envelope is 20% of the output resolution */
4200		/*
4201		 * dvs envelope cannot be round up.
4202		 * it would cause ISP timeout and color switch issue
4203		 */
4204		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
4205		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
4206	}
4207
4208	asd->params.dis_proj_data_valid = false;
4209	asd->params.css_update_params_needed = true;
4210}
4211
4212static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
4213				    const struct v4l2_pix_format *f)
4214{
4215	struct v4l2_mbus_framefmt *sink, *src;
4216
4217	if (!IS_ISP2401) {
4218		/* Only used for the new input system */
4219		asd->copy_mode = false;
4220		return;
4221	}
4222
4223	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4224				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
4225	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4226				      V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SOURCE);
4227
4228	if (sink->code == src->code && sink->width == f->width && sink->height == f->height)
4229		asd->copy_mode = true;
4230	else
4231		asd->copy_mode = false;
4232
4233	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
4234}
4235
4236static int atomisp_set_fmt_to_snr(struct video_device *vdev, const struct v4l2_pix_format *f,
4237				  unsigned int dvs_env_w, unsigned int dvs_env_h)
4238{
4239	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4240	struct atomisp_sub_device *asd = pipe->asd;
4241	struct atomisp_device *isp = asd->isp;
4242	const struct atomisp_format_bridge *format;
4243	struct v4l2_mbus_framefmt req_ffmt, ffmt = { };
4244	struct atomisp_input_stream_info *stream_info =
4245	    (struct atomisp_input_stream_info *)&ffmt.reserved;
4246	int ret;
4247
4248	format = atomisp_get_format_bridge(f->pixelformat);
4249	if (!format)
4250		return -EINVAL;
4251
4252	v4l2_fill_mbus_format(&ffmt, f, format->mbus_code);
4253	ffmt.height += asd->sink_pad_padding_h + dvs_env_h;
4254	ffmt.width += asd->sink_pad_padding_w + dvs_env_w;
4255
4256	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
4257		ffmt.width, ffmt.height, asd->sink_pad_padding_w, asd->sink_pad_padding_h,
4258		dvs_env_w, dvs_env_h);
4259
4260	__atomisp_init_stream_info(ATOMISP_INPUT_STREAM_GENERAL, stream_info);
4261
4262	req_ffmt = ffmt;
4263
4264	/* Disable dvs if resolution can't be supported by sensor */
4265	if (asd->params.video_dis_en && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4266		ret = atomisp_set_crop_and_fmt(isp, &ffmt, V4L2_SUBDEV_FORMAT_TRY);
4267		if (ret)
4268			return ret;
4269
4270		dev_dbg(isp->dev, "video dis: sensor width: %d, height: %d\n",
4271			ffmt.width, ffmt.height);
4272
4273		if (ffmt.width < req_ffmt.width ||
4274		    ffmt.height < req_ffmt.height) {
4275			req_ffmt.height -= dvs_env_h;
4276			req_ffmt.width -= dvs_env_w;
4277			ffmt = req_ffmt;
4278			dev_warn(isp->dev,
4279				 "can not enable video dis due to sensor limitation.");
4280			asd->params.video_dis_en = false;
4281		}
4282	}
4283
4284	ret = atomisp_set_crop_and_fmt(isp, &ffmt, V4L2_SUBDEV_FORMAT_ACTIVE);
4285	if (ret)
4286		return ret;
4287
4288	__atomisp_update_stream_env(asd, ATOMISP_INPUT_STREAM_GENERAL, stream_info);
4289
4290	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
4291		ffmt.width, ffmt.height);
4292
4293	if (ffmt.width < ATOM_ISP_STEP_WIDTH ||
4294	    ffmt.height < ATOM_ISP_STEP_HEIGHT)
4295		return -EINVAL;
4296
4297	if (asd->params.video_dis_en && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
4298	    (ffmt.width < req_ffmt.width || ffmt.height < req_ffmt.height)) {
4299		dev_warn(isp->dev,
4300			 "can not enable video dis due to sensor limitation.");
4301		asd->params.video_dis_en = false;
4302	}
4303
4304	atomisp_subdev_set_ffmt(&asd->subdev, NULL,
4305				V4L2_SUBDEV_FORMAT_ACTIVE,
4306				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
4307
4308	return css_input_resolution_changed(asd, &ffmt);
4309}
4310
4311int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
4312{
4313	struct atomisp_device *isp = video_get_drvdata(vdev);
4314	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4315	struct atomisp_sub_device *asd = pipe->asd;
4316	const struct atomisp_format_bridge *format_bridge;
4317	const struct atomisp_format_bridge *snr_format_bridge;
4318	struct ia_css_frame_info output_info;
4319	unsigned int dvs_env_w = 0, dvs_env_h = 0;
4320	struct v4l2_mbus_framefmt isp_source_fmt = {0};
4321	struct v4l2_rect isp_sink_crop;
4322	int ret;
4323
4324	ret = atomisp_pipe_check(pipe, true);
4325	if (ret)
4326		return ret;
4327
4328	dev_dbg(isp->dev,
4329		"setting resolution %ux%u bytesperline %u\n",
4330		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.bytesperline);
4331
4332	/* Ensure that the resolution is equal or below the maximum supported */
4333	ret = atomisp_try_fmt(isp, &f->fmt.pix, &format_bridge, &snr_format_bridge);
4334	if (ret)
4335		return ret;
4336
4337	pipe->sh_fmt = format_bridge->sh_fmt;
4338	pipe->pix.pixelformat = format_bridge->pixelformat;
4339
4340	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4341				V4L2_SUBDEV_FORMAT_ACTIVE,
4342				ATOMISP_SUBDEV_PAD_SINK)->code =
4343				    snr_format_bridge->mbus_code;
4344
4345	isp_source_fmt.code = format_bridge->mbus_code;
4346	atomisp_subdev_set_ffmt(&asd->subdev, NULL,
4347				V4L2_SUBDEV_FORMAT_ACTIVE,
4348				ATOMISP_SUBDEV_PAD_SOURCE, &isp_source_fmt);
4349
4350	if (atomisp_subdev_format_conversion(asd)) {
4351		atomisp_get_padding(isp, f->fmt.pix.width, f->fmt.pix.height,
4352				    &asd->sink_pad_padding_w, &asd->sink_pad_padding_h);
4353	} else {
4354		asd->sink_pad_padding_w = 0;
4355		asd->sink_pad_padding_h = 0;
4356	}
4357
4358	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
4359				&dvs_env_w, &dvs_env_h);
4360
4361	ret = atomisp_set_fmt_to_snr(vdev, &f->fmt.pix, dvs_env_w, dvs_env_h);
4362	if (ret) {
4363		dev_warn(isp->dev,
4364			 "Set format to sensor failed with %d\n", ret);
4365		return -EINVAL;
4366	}
4367
4368	atomisp_csi_lane_config(isp);
4369
4370	atomisp_check_copy_mode(asd, &f->fmt.pix);
4371
4372	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
4373			V4L2_SUBDEV_FORMAT_ACTIVE,
4374			ATOMISP_SUBDEV_PAD_SINK,
4375			V4L2_SEL_TGT_CROP);
4376
4377	/* Try to enable YUV downscaling if ISP input is 10 % (either
4378	 * width or height) bigger than the desired result. */
4379	if (!IS_MOFD ||
4380	    isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
4381	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
4382	    (atomisp_subdev_format_conversion(asd) &&
4383	     (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
4384	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
4385		isp_sink_crop.width = f->fmt.pix.width;
4386		isp_sink_crop.height = f->fmt.pix.height;
4387
4388		atomisp_subdev_set_selection(&asd->subdev, NULL,
4389					     V4L2_SUBDEV_FORMAT_ACTIVE,
4390					     ATOMISP_SUBDEV_PAD_SOURCE, V4L2_SEL_TGT_COMPOSE,
4391					     0, &isp_sink_crop);
4392	} else {
4393		struct v4l2_rect main_compose = {0};
4394
4395		main_compose.width = isp_sink_crop.width;
4396		main_compose.height =
4397		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
4398				 f->fmt.pix.width);
4399		if (main_compose.height > isp_sink_crop.height) {
4400			main_compose.height = isp_sink_crop.height;
4401			main_compose.width =
4402			    DIV_ROUND_UP(main_compose.height *
4403					 f->fmt.pix.width,
4404					 f->fmt.pix.height);
4405		}
4406
4407		atomisp_subdev_set_selection(&asd->subdev, NULL,
4408					     V4L2_SUBDEV_FORMAT_ACTIVE,
4409					     ATOMISP_SUBDEV_PAD_SOURCE,
4410					     V4L2_SEL_TGT_COMPOSE, 0,
4411					     &main_compose);
4412	}
4413
4414	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &f->fmt.pix);
4415	if (ret) {
4416		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
4417		return -EINVAL;
4418	}
4419
4420	atomisp_fill_pix_format(&pipe->pix, f->fmt.pix.width, f->fmt.pix.height, format_bridge);
4421
4422	f->fmt.pix = pipe->pix;
4423	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
4424				     pipe->pix.height * 2);
4425
4426	dev_dbg(isp->dev, "%s: %dx%d, image size: %d, %d bytes per line\n",
4427		__func__,
4428		f->fmt.pix.width, f->fmt.pix.height,
4429		f->fmt.pix.sizeimage, f->fmt.pix.bytesperline);
4430
4431	return 0;
4432}
4433
4434int atomisp_set_shading_table(struct atomisp_sub_device *asd,
4435			      struct atomisp_shading_table *user_shading_table)
4436{
4437	struct ia_css_shading_table *shading_table;
4438	struct ia_css_shading_table *free_table;
4439	unsigned int len_table;
4440	int i;
4441	int ret = 0;
4442
4443	if (!user_shading_table)
4444		return -EINVAL;
4445
4446	if (!user_shading_table->enable) {
4447		asd->params.config.shading_table = NULL;
4448		asd->params.sc_en = false;
4449		return 0;
4450	}
4451
4452	/* If enabling, all tables must be set */
4453	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
4454		if (!user_shading_table->data[i])
4455			return -EINVAL;
4456	}
4457
4458	/* Shading table size per color */
4459	if (user_shading_table->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
4460	    user_shading_table->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
4461		return -EINVAL;
4462
4463	shading_table = atomisp_css_shading_table_alloc(
4464			    user_shading_table->width, user_shading_table->height);
4465	if (!shading_table)
4466		return -ENOMEM;
4467
4468	len_table = user_shading_table->width * user_shading_table->height *
4469		    ATOMISP_SC_TYPE_SIZE;
4470	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
4471		ret = copy_from_user(shading_table->data[i],
4472				     (void __user *)user_shading_table->data[i],
4473				     len_table);
4474		if (ret) {
4475			free_table = shading_table;
4476			ret = -EFAULT;
4477			goto out;
4478		}
4479	}
4480	shading_table->sensor_width = user_shading_table->sensor_width;
4481	shading_table->sensor_height = user_shading_table->sensor_height;
4482	shading_table->fraction_bits = user_shading_table->fraction_bits;
4483
4484	free_table = asd->params.css_param.shading_table;
4485	asd->params.css_param.shading_table = shading_table;
4486	asd->params.config.shading_table = shading_table;
4487	asd->params.sc_en = true;
4488
4489out:
4490	if (free_table)
4491		atomisp_css_shading_table_free(free_table);
4492
4493	return ret;
4494}
4495
4496int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
4497{
4498	struct atomisp_device *isp = asd->isp;
4499
4500	if (num_frames < 0) {
4501		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
4502			num_frames);
4503		return -EINVAL;
4504	}
4505	/* a requested flash is still in progress. */
4506	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
4507		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
4508			__func__, asd->params.flash_state,
4509			asd->params.num_flash_frames);
4510		return -EBUSY;
4511	}
4512
4513	asd->params.num_flash_frames = num_frames;
4514	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
4515	return 0;
4516}
4517
4518static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
4519{
4520	struct atomisp_device *isp = asd->isp;
4521
4522	if (!asd->enable_raw_buffer_lock->val) {
4523		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
4524		return -EINVAL;
4525	}
4526	if (!asd->streaming) {
4527		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
4528			__func__, exp_id, asd->streaming);
4529		return -EINVAL;
4530	}
4531	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
4532		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
4533		return -EINVAL;
4534	}
4535	return 0;
4536}
4537
4538void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
4539{
4540	unsigned long flags;
4541
4542	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4543	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
4544	asd->raw_buffer_locked_count = 0;
4545	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4546}
4547
4548static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
4549{
4550	int *bitmap, bit;
4551	unsigned long flags;
4552	int ret;
4553
4554	if (__checking_exp_id(asd, exp_id))
4555		return -EINVAL;
4556
4557	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
4558	bit = exp_id % 32;
4559	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4560	ret = ((*bitmap) & (1 << bit));
4561	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4562	return !ret;
4563}
4564
4565static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
4566{
4567	int *bitmap, bit;
4568	unsigned long flags;
4569
4570	if (__is_raw_buffer_locked(asd, exp_id))
4571		return -EINVAL;
4572
4573	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
4574	bit = exp_id % 32;
4575	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4576	(*bitmap) &= ~(1 << bit);
4577	asd->raw_buffer_locked_count--;
4578	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4579
4580	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
4581		__func__, exp_id, asd->raw_buffer_locked_count);
4582	return 0;
4583}
4584
4585int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
4586{
4587	struct atomisp_device *isp = asd->isp;
4588	int value = *exp_id;
4589	int ret;
4590
4591	lockdep_assert_held(&isp->mutex);
4592
4593	ret = __is_raw_buffer_locked(asd, value);
4594	if (ret) {
4595		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
4596		return -EINVAL;
4597	}
4598
4599	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
4600	ret = atomisp_css_exp_id_capture(asd, value);
4601	if (ret) {
4602		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
4603		return -EIO;
4604	}
4605	return 0;
4606}
4607
4608int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
4609{
4610	struct atomisp_device *isp = asd->isp;
4611	int value = *exp_id;
4612	int ret;
4613
4614	lockdep_assert_held(&isp->mutex);
4615
4616	ret = __clear_raw_buffer_bitmap(asd, value);
4617	if (ret) {
4618		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
4619		return -EINVAL;
4620	}
4621
4622	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
4623	ret = atomisp_css_exp_id_unlock(asd, value);
4624	if (ret)
4625		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
4626			__func__, value, ret);
4627
4628	return ret;
4629}
4630
4631int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
4632				unsigned int *enable)
4633{
4634	bool value;
4635
4636	if (!enable)
4637		return -EINVAL;
4638
4639	value = *enable > 0;
4640
4641	atomisp_en_dz_capt_pipe(asd, value);
4642
4643	return 0;
4644}
4645
4646int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
4647{
4648	if (!event || !asd->streaming)
4649		return -EINVAL;
4650
4651	lockdep_assert_held(&asd->isp->mutex);
4652
4653	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
4654		__func__, *event);
4655
4656	switch (*event) {
4657	case V4L2_EVENT_FRAME_SYNC:
4658		atomisp_sof_event(asd);
4659		break;
4660	case V4L2_EVENT_FRAME_END:
4661		atomisp_eof_event(asd, 0);
4662		break;
4663	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
4664		atomisp_3a_stats_ready_event(asd, 0);
4665		break;
4666	case V4L2_EVENT_ATOMISP_METADATA_READY:
4667		atomisp_metadata_ready_event(asd, 0);
4668		break;
4669	default:
4670		return -EINVAL;
4671	}
4672
4673	return 0;
4674}
4675