1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  *
7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  *
19  */
20 #include <linux/errno.h>
21 #include <linux/firmware.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/io.h>
25 #include <linux/kernel.h>
26 #include <linux/kfifo.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/timer.h>
29 
30 #include <asm/iosf_mbi.h>
31 
32 #include <media/v4l2-event.h>
33 #include <media/videobuf-vmalloc.h>
34 
35 #define CREATE_TRACE_POINTS
36 #include "atomisp_trace_event.h"
37 
38 #include "atomisp_cmd.h"
39 #include "atomisp_common.h"
40 #include "atomisp_fops.h"
41 #include "atomisp_internal.h"
42 #include "atomisp_ioctl.h"
43 #include "atomisp-regs.h"
44 #include "atomisp_tables.h"
45 #include "atomisp_compat.h"
46 #include "atomisp_subdev.h"
47 #include "atomisp_dfs_tables.h"
48 
49 #include <hmm/hmm.h>
50 
51 #include "sh_css_hrt.h"
52 #include "sh_css_defs.h"
53 #include "system_global.h"
54 #include "sh_css_internal.h"
55 #include "sh_css_sp.h"
56 #include "gp_device.h"
57 #include "device_access.h"
58 #include "irq.h"
59 
60 #include "ia_css_types.h"
61 #include "ia_css_stream.h"
62 #include "ia_css_debug.h"
63 #include "bits.h"
64 
65 /* We should never need to run the flash for more than 2 frames.
66  * At 15fps this means 133ms. We set the timeout a bit longer.
67  * Each flash driver is supposed to set its own timeout, but
68  * just in case someone else changed the timeout, we set it
69  * here to make sure we don't damage the flash hardware. */
70 #define FLASH_TIMEOUT 800 /* ms */
71 
72 union host {
73 	struct {
74 		void *kernel_ptr;
75 		void __user *user_ptr;
76 		int size;
77 	} scalar;
78 	struct {
79 		void *hmm_ptr;
80 	} ptr;
81 };
82 
83 static int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id);
84 
85 /*
86  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
87  * subdev->priv is set in mrst.c
88  */
atomisp_to_sensor_mipi_info(struct v4l2_subdev * sd)89 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
90 {
91 	return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
92 }
93 
94 /*
95  * get struct atomisp_video_pipe from v4l2 video_device
96  */
atomisp_to_video_pipe(struct video_device * dev)97 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
98 {
99 	return (struct atomisp_video_pipe *)
100 	       container_of(dev, struct atomisp_video_pipe, vdev);
101 }
102 
atomisp_get_sensor_fps(struct atomisp_sub_device * asd)103 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
104 {
105 	struct v4l2_subdev_frame_interval fi = { 0 };
106 	struct atomisp_device *isp = asd->isp;
107 
108 	unsigned short fps = 0;
109 	int ret;
110 
111 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
112 			       video, g_frame_interval, &fi);
113 
114 	if (!ret && fi.interval.numerator)
115 		fps = fi.interval.denominator / fi.interval.numerator;
116 
117 	return fps;
118 }
119 
120 /*
121  * DFS progress is shown as follows:
122  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
123  *    mode.
124  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
125  *    with proper rounding.
126  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
127  *    to 200MHz in ISPSSPM1.
128  * 4. Wait for FREQVALID to be cleared by P-Unit.
129  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
130  */
write_target_freq_to_hw(struct atomisp_device * isp,unsigned int new_freq)131 static int write_target_freq_to_hw(struct atomisp_device *isp,
132 				   unsigned int new_freq)
133 {
134 	unsigned int ratio, timeout, guar_ratio;
135 	u32 isp_sspm1 = 0;
136 	int i;
137 
138 	if (!isp->hpll_freq) {
139 		dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
140 		return -EINVAL;
141 	}
142 
143 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
144 	if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
145 		dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
146 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
147 			       isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
148 	}
149 
150 	ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
151 	guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
152 
153 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
154 	isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
155 
156 	for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
157 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
158 			       isp_sspm1
159 			       | ratio << ISP_REQ_FREQ_OFFSET
160 			       | 1 << ISP_FREQ_VALID_OFFSET
161 			       | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
162 
163 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
164 		timeout = 20;
165 		while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
166 			iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
167 			dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
168 			udelay(100);
169 			timeout--;
170 		}
171 
172 		if (timeout != 0)
173 			break;
174 	}
175 
176 	if (timeout == 0) {
177 		dev_err(isp->dev, "DFS failed due to HW error.\n");
178 		return -EINVAL;
179 	}
180 
181 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
182 	timeout = 10;
183 	while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
184 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
185 		dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
186 			new_freq);
187 		udelay(100);
188 		timeout--;
189 	}
190 	if (timeout == 0) {
191 		dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
192 		return -EINVAL;
193 	}
194 
195 	return 0;
196 }
197 
atomisp_freq_scaling(struct atomisp_device * isp,enum atomisp_dfs_mode mode,bool force)198 int atomisp_freq_scaling(struct atomisp_device *isp,
199 			 enum atomisp_dfs_mode mode,
200 			 bool force)
201 {
202 	struct pci_dev *pdev = to_pci_dev(isp->dev);
203 	/* FIXME! Only use subdev[0] status yet */
204 	struct atomisp_sub_device *asd = &isp->asd[0];
205 	const struct atomisp_dfs_config *dfs;
206 	unsigned int new_freq;
207 	struct atomisp_freq_scaling_rule curr_rules;
208 	int i, ret;
209 	unsigned short fps = 0;
210 
211 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP) {
212 		dev_err(isp->dev, "DFS cannot proceed due to no power.\n");
213 		return -EINVAL;
214 	}
215 
216 	if ((pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
217 	    ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
218 		isp->dfs = &dfs_config_cht_soc;
219 
220 	dfs = isp->dfs;
221 
222 	if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
223 	    dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
224 	    !dfs->dfs_table) {
225 		dev_err(isp->dev, "DFS configuration is invalid.\n");
226 		return -EINVAL;
227 	}
228 
229 	if (mode == ATOMISP_DFS_MODE_LOW) {
230 		new_freq = dfs->lowest_freq;
231 		goto done;
232 	}
233 
234 	if (mode == ATOMISP_DFS_MODE_MAX) {
235 		new_freq = dfs->highest_freq;
236 		goto done;
237 	}
238 
239 	fps = atomisp_get_sensor_fps(asd);
240 	if (fps == 0) {
241 		dev_info(isp->dev,
242 			 "Sensor didn't report FPS. Using DFS max mode.\n");
243 		new_freq = dfs->highest_freq;
244 		goto done;
245 	}
246 
247 	curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
248 	curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
249 	curr_rules.fps = fps;
250 	curr_rules.run_mode = asd->run_mode->val;
251 	/*
252 	 * For continuous mode, we need to make the capture setting applied
253 	 * since preview mode, because there is no chance to do this when
254 	 * starting image capture.
255 	 */
256 	if (asd->continuous_mode->val) {
257 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
258 			curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
259 		else
260 			curr_rules.run_mode =
261 			    ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
262 	}
263 
264 	/* search for the target frequency by looping freq rules*/
265 	for (i = 0; i < dfs->dfs_table_size; i++) {
266 		if (curr_rules.width != dfs->dfs_table[i].width &&
267 		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
268 			continue;
269 		if (curr_rules.height != dfs->dfs_table[i].height &&
270 		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
271 			continue;
272 		if (curr_rules.fps != dfs->dfs_table[i].fps &&
273 		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
274 			continue;
275 		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
276 		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
277 			continue;
278 		break;
279 	}
280 
281 	if (i == dfs->dfs_table_size)
282 		new_freq = dfs->max_freq_at_vmin;
283 	else
284 		new_freq = dfs->dfs_table[i].isp_freq;
285 
286 done:
287 	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
288 
289 	if ((new_freq == isp->sw_contex.running_freq) && !force)
290 		return 0;
291 
292 	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
293 
294 	ret = write_target_freq_to_hw(isp, new_freq);
295 	if (!ret) {
296 		isp->sw_contex.running_freq = new_freq;
297 		trace_ipu_pstate(new_freq, -1);
298 	}
299 	return ret;
300 }
301 
302 /*
303  * reset and restore ISP
304  */
atomisp_reset(struct atomisp_device * isp)305 int atomisp_reset(struct atomisp_device *isp)
306 {
307 	/* Reset ISP by power-cycling it */
308 	int ret = 0;
309 
310 	dev_dbg(isp->dev, "%s\n", __func__);
311 	atomisp_css_suspend(isp);
312 	ret = atomisp_runtime_suspend(isp->dev);
313 	if (ret < 0)
314 		dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
315 	ret = atomisp_mrfld_power_down(isp);
316 	if (ret < 0) {
317 		dev_err(isp->dev, "can not disable ISP power\n");
318 	} else {
319 		ret = atomisp_mrfld_power_up(isp);
320 		if (ret < 0)
321 			dev_err(isp->dev, "can not enable ISP power\n");
322 		ret = atomisp_runtime_resume(isp->dev);
323 		if (ret < 0)
324 			dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
325 	}
326 	ret = atomisp_css_resume(isp);
327 	if (ret)
328 		isp->isp_fatal_error = true;
329 
330 	return ret;
331 }
332 
333 /*
334  * interrupt disable functions
335  */
disable_isp_irq(enum hrt_isp_css_irq irq)336 static void disable_isp_irq(enum hrt_isp_css_irq irq)
337 {
338 	irq_disable_channel(IRQ0_ID, irq);
339 
340 	if (irq != hrt_isp_css_irq_sp)
341 		return;
342 
343 	cnd_sp_irq_enable(SP0_ID, false);
344 }
345 
346 /*
347  * interrupt clean function
348  */
clear_isp_irq(enum hrt_isp_css_irq irq)349 static void clear_isp_irq(enum hrt_isp_css_irq irq)
350 {
351 	irq_clear_all(IRQ0_ID);
352 }
353 
atomisp_msi_irq_init(struct atomisp_device * isp)354 void atomisp_msi_irq_init(struct atomisp_device *isp)
355 {
356 	struct pci_dev *pdev = to_pci_dev(isp->dev);
357 	u32 msg32;
358 	u16 msg16;
359 
360 	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
361 	msg32 |= 1 << MSI_ENABLE_BIT;
362 	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
363 
364 	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
365 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
366 
367 	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
368 	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
369 		  PCI_COMMAND_INTX_DISABLE);
370 	pci_write_config_word(pdev, PCI_COMMAND, msg16);
371 }
372 
atomisp_msi_irq_uninit(struct atomisp_device * isp)373 void atomisp_msi_irq_uninit(struct atomisp_device *isp)
374 {
375 	struct pci_dev *pdev = to_pci_dev(isp->dev);
376 	u32 msg32;
377 	u16 msg16;
378 
379 	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
380 	msg32 &=  ~(1 << MSI_ENABLE_BIT);
381 	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
382 
383 	msg32 = 0x0;
384 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
385 
386 	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
387 	msg16 &= ~(PCI_COMMAND_MASTER);
388 	pci_write_config_word(pdev, PCI_COMMAND, msg16);
389 }
390 
atomisp_sof_event(struct atomisp_sub_device * asd)391 static void atomisp_sof_event(struct atomisp_sub_device *asd)
392 {
393 	struct v4l2_event event = {0};
394 
395 	event.type = V4L2_EVENT_FRAME_SYNC;
396 	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
397 
398 	v4l2_event_queue(asd->subdev.devnode, &event);
399 }
400 
atomisp_eof_event(struct atomisp_sub_device * asd,uint8_t exp_id)401 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
402 {
403 	struct v4l2_event event = {0};
404 
405 	event.type = V4L2_EVENT_FRAME_END;
406 	event.u.frame_sync.frame_sequence = exp_id;
407 
408 	v4l2_event_queue(asd->subdev.devnode, &event);
409 }
410 
atomisp_3a_stats_ready_event(struct atomisp_sub_device * asd,uint8_t exp_id)411 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
412 	uint8_t exp_id)
413 {
414 	struct v4l2_event event = {0};
415 
416 	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
417 	event.u.frame_sync.frame_sequence = exp_id;
418 
419 	v4l2_event_queue(asd->subdev.devnode, &event);
420 }
421 
atomisp_metadata_ready_event(struct atomisp_sub_device * asd,enum atomisp_metadata_type md_type)422 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
423 	enum atomisp_metadata_type md_type)
424 {
425 	struct v4l2_event event = {0};
426 
427 	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
428 	event.u.data[0] = md_type;
429 
430 	v4l2_event_queue(asd->subdev.devnode, &event);
431 }
432 
atomisp_reset_event(struct atomisp_sub_device * asd)433 static void atomisp_reset_event(struct atomisp_sub_device *asd)
434 {
435 	struct v4l2_event event = {0};
436 
437 	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
438 
439 	v4l2_event_queue(asd->subdev.devnode, &event);
440 }
441 
print_csi_rx_errors(enum mipi_port_id port,struct atomisp_device * isp)442 static void print_csi_rx_errors(enum mipi_port_id port,
443 				struct atomisp_device *isp)
444 {
445 	u32 infos = 0;
446 
447 	atomisp_css_rx_get_irq_info(port, &infos);
448 
449 	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
450 	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
451 		dev_err(isp->dev, "  buffer overrun");
452 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
453 		dev_err(isp->dev, "  start-of-transmission error");
454 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
455 		dev_err(isp->dev, "  start-of-transmission sync error");
456 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
457 		dev_err(isp->dev, "  control error");
458 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
459 		dev_err(isp->dev, "  2 or more ECC errors");
460 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
461 		dev_err(isp->dev, "  CRC mismatch");
462 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
463 		dev_err(isp->dev, "  unknown error");
464 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
465 		dev_err(isp->dev, "  frame sync error");
466 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
467 		dev_err(isp->dev, "  frame data error");
468 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
469 		dev_err(isp->dev, "  data timeout");
470 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
471 		dev_err(isp->dev, "  unknown escape command entry");
472 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
473 		dev_err(isp->dev, "  line sync error");
474 }
475 
476 /* Clear irq reg */
clear_irq_reg(struct atomisp_device * isp)477 static void clear_irq_reg(struct atomisp_device *isp)
478 {
479 	struct pci_dev *pdev = to_pci_dev(isp->dev);
480 	u32 msg_ret;
481 
482 	pci_read_config_dword(pdev, PCI_INTERRUPT_CTRL, &msg_ret);
483 	msg_ret |= 1 << INTR_IIR;
484 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg_ret);
485 }
486 
487 static struct atomisp_sub_device *
__get_asd_from_port(struct atomisp_device * isp,enum mipi_port_id port)488 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
489 {
490 	int i;
491 
492 	/* Check which isp subdev to send eof */
493 	for (i = 0; i < isp->num_of_streams; i++) {
494 		struct atomisp_sub_device *asd = &isp->asd[i];
495 		struct camera_mipi_info *mipi_info;
496 
497 		mipi_info = atomisp_to_sensor_mipi_info(
498 				isp->inputs[asd->input_curr].camera);
499 
500 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
501 		    __get_mipi_port(isp, mipi_info->port) == port) {
502 			return asd;
503 		}
504 	}
505 
506 	return NULL;
507 }
508 
509 /* interrupt handling function*/
atomisp_isr(int irq,void * dev)510 irqreturn_t atomisp_isr(int irq, void *dev)
511 {
512 	struct atomisp_device *isp = (struct atomisp_device *)dev;
513 	struct atomisp_sub_device *asd;
514 	struct atomisp_css_event eof_event;
515 	unsigned int irq_infos = 0;
516 	unsigned long flags;
517 	unsigned int i;
518 	int err;
519 
520 	spin_lock_irqsave(&isp->lock, flags);
521 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
522 	    !isp->css_initialized) {
523 		spin_unlock_irqrestore(&isp->lock, flags);
524 		return IRQ_HANDLED;
525 	}
526 	err = atomisp_css_irq_translate(isp, &irq_infos);
527 	if (err) {
528 		spin_unlock_irqrestore(&isp->lock, flags);
529 		return IRQ_NONE;
530 	}
531 
532 	clear_irq_reg(isp);
533 
534 	if (!atomisp_streaming_count(isp))
535 		goto out_nowake;
536 
537 	for (i = 0; i < isp->num_of_streams; i++) {
538 		asd = &isp->asd[i];
539 
540 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
541 			continue;
542 		/*
543 		 * Current SOF only support one stream, so the SOF only valid
544 		 * either solely one stream is running
545 		 */
546 		if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
547 			atomic_inc(&asd->sof_count);
548 			atomisp_sof_event(asd);
549 
550 			/* If sequence_temp and sequence are the same
551 			 * there where no frames lost so we can increase
552 			 * sequence_temp.
553 			 * If not then processing of frame is still in progress
554 			 * and driver needs to keep old sequence_temp value.
555 			 * NOTE: There is assumption here that ISP will not
556 			 * start processing next frame from sensor before old
557 			 * one is completely done. */
558 			if (atomic_read(&asd->sequence) == atomic_read(
559 				&asd->sequence_temp))
560 				atomic_set(&asd->sequence_temp,
561 					   atomic_read(&asd->sof_count));
562 		}
563 		if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
564 			atomic_set(&asd->sequence,
565 				   atomic_read(&asd->sequence_temp));
566 	}
567 
568 	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
569 		dev_dbg_ratelimited(isp->dev,
570 				    "irq:0x%x (SOF)\n",
571 				    irq_infos);
572 		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
573 	}
574 
575 	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
576 	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
577 		/* handle mipi receiver error */
578 		u32 rx_infos;
579 		enum mipi_port_id port;
580 
581 		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
582 		     port++) {
583 			print_csi_rx_errors(port, isp);
584 			atomisp_css_rx_get_irq_info(port, &rx_infos);
585 			atomisp_css_rx_clear_irq_info(port, rx_infos);
586 		}
587 	}
588 
589 	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
590 		while (ia_css_dequeue_isys_event(&eof_event.event) ==
591 		       0) {
592 			/* EOF Event does not have the css_pipe returned */
593 			asd = __get_asd_from_port(isp, eof_event.event.port);
594 			if (!asd) {
595 				dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
596 					__func__, eof_event.event.type);
597 				continue;
598 			}
599 
600 			atomisp_eof_event(asd, eof_event.event.exp_id);
601 			dev_dbg_ratelimited(isp->dev,
602 					    "%s ISYS event: EOF exp_id %d, asd %d\n",
603 					    __func__, eof_event.event.exp_id,
604 					    asd->index);
605 		}
606 
607 		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
608 		if (irq_infos == 0)
609 			goto out_nowake;
610 	}
611 
612 	spin_unlock_irqrestore(&isp->lock, flags);
613 
614 	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
615 
616 	return IRQ_WAKE_THREAD;
617 
618 out_nowake:
619 	spin_unlock_irqrestore(&isp->lock, flags);
620 
621 	if (irq_infos)
622 		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
623 				    irq_infos);
624 
625 	return IRQ_HANDLED;
626 }
627 
atomisp_clear_css_buffer_counters(struct atomisp_sub_device * asd)628 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
629 {
630 	int i;
631 
632 	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
633 	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
634 		memset(asd->metadata_bufs_in_css[i], 0,
635 		       sizeof(asd->metadata_bufs_in_css[i]));
636 	asd->dis_bufs_in_css = 0;
637 	asd->video_out_capture.buffers_in_css = 0;
638 	asd->video_out_vf.buffers_in_css = 0;
639 	asd->video_out_preview.buffers_in_css = 0;
640 	asd->video_out_video_capture.buffers_in_css = 0;
641 }
642 
643 /* ISP2400 */
atomisp_buffers_queued(struct atomisp_sub_device * asd)644 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
645 {
646 	return asd->video_out_capture.buffers_in_css ||
647 	       asd->video_out_vf.buffers_in_css ||
648 	       asd->video_out_preview.buffers_in_css ||
649 	       asd->video_out_video_capture.buffers_in_css;
650 }
651 
652 /* ISP2401 */
atomisp_buffers_queued_pipe(struct atomisp_video_pipe * pipe)653 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
654 {
655 	return pipe->buffers_in_css ? true : false;
656 }
657 
658 /* 0x100000 is the start of dmem inside SP */
659 #define SP_DMEM_BASE	0x100000
660 
dump_sp_dmem(struct atomisp_device * isp,unsigned int addr,unsigned int size)661 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
662 		  unsigned int size)
663 {
664 	unsigned int data = 0;
665 	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
666 
667 	dev_dbg(isp->dev, "atomisp mmio base: %p\n", isp->base);
668 	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
669 		addr, size, size32);
670 	if (size32 * 4 + addr > 0x4000) {
671 		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
672 			size32, addr);
673 		return;
674 	}
675 	addr += SP_DMEM_BASE;
676 	addr &= 0x003FFFFF;
677 	do {
678 		data = readl(isp->base + addr);
679 		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
680 		addr += sizeof(u32);
681 	} while (--size32);
682 }
683 
atomisp_css_frame_to_vbuf(struct atomisp_video_pipe * pipe,struct ia_css_frame * frame)684 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
685     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
686 {
687 	struct videobuf_vmalloc_memory *vm_mem;
688 	struct ia_css_frame *handle;
689 	int i;
690 
691 	for (i = 0; pipe->capq.bufs[i]; i++) {
692 		vm_mem = pipe->capq.bufs[i]->priv;
693 		handle = vm_mem->vaddr;
694 		if (handle && handle->data == frame->data)
695 			return pipe->capq.bufs[i];
696 	}
697 
698 	return NULL;
699 }
700 
atomisp_flush_video_pipe(struct atomisp_sub_device * asd,struct atomisp_video_pipe * pipe)701 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
702 				     struct atomisp_video_pipe *pipe)
703 {
704 	unsigned long irqflags;
705 	int i;
706 
707 	if (!pipe->users)
708 		return;
709 
710 	for (i = 0; pipe->capq.bufs[i]; i++) {
711 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
712 		if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
713 		    pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
714 			pipe->capq.bufs[i]->ts = ktime_get_ns();
715 			pipe->capq.bufs[i]->field_count =
716 			    atomic_read(&asd->sequence) << 1;
717 			dev_dbg(asd->isp->dev, "release buffers on device %s\n",
718 				pipe->vdev.name);
719 			if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
720 				list_del_init(&pipe->capq.bufs[i]->queue);
721 			pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
722 			wake_up(&pipe->capq.bufs[i]->done);
723 		}
724 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
725 	}
726 }
727 
728 /* Returns queued buffers back to video-core */
atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device * asd)729 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
730 {
731 	atomisp_flush_video_pipe(asd, &asd->video_out_capture);
732 	atomisp_flush_video_pipe(asd, &asd->video_out_vf);
733 	atomisp_flush_video_pipe(asd, &asd->video_out_preview);
734 	atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
735 }
736 
737 /* clean out the parameters that did not apply */
atomisp_flush_params_queue(struct atomisp_video_pipe * pipe)738 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
739 {
740 	struct atomisp_css_params_with_list *param;
741 
742 	while (!list_empty(&pipe->per_frame_params)) {
743 		param = list_entry(pipe->per_frame_params.next,
744 				   struct atomisp_css_params_with_list, list);
745 		list_del(&param->list);
746 		atomisp_free_css_parameters(&param->params);
747 		kvfree(param);
748 	}
749 }
750 
751 /* Re-queue per-frame parameters */
atomisp_recover_params_queue(struct atomisp_video_pipe * pipe)752 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
753 {
754 	struct atomisp_css_params_with_list *param;
755 	int i;
756 
757 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
758 		param = pipe->frame_params[i];
759 		if (param)
760 			list_add_tail(&param->list, &pipe->per_frame_params);
761 		pipe->frame_params[i] = NULL;
762 	}
763 	atomisp_handle_parameter_and_buffer(pipe);
764 }
765 
766 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
__atomisp_get_pipe(struct atomisp_sub_device * asd,enum atomisp_input_stream_id stream_id,enum ia_css_pipe_id css_pipe_id,enum ia_css_buffer_type buf_type)767 static struct atomisp_video_pipe *__atomisp_get_pipe(
768     struct atomisp_sub_device *asd,
769     enum atomisp_input_stream_id stream_id,
770     enum ia_css_pipe_id css_pipe_id,
771     enum ia_css_buffer_type buf_type)
772 {
773 	/* video is same in online as in continuouscapture mode */
774 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
775 		/*
776 		 * Disable vf_pp and run CSS in still capture mode. In this
777 		 * mode, CSS does not cause extra latency with buffering, but
778 		 * scaling is not available.
779 		 */
780 		return &asd->video_out_capture;
781 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
782 		/*
783 		 * Disable vf_pp and run CSS in video mode. This allows using
784 		 * ISP scaling but it has one frame delay due to CSS internal
785 		 * buffering.
786 		 */
787 		return &asd->video_out_video_capture;
788 	} else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
789 		/*
790 		 * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
791 		 */
792 		if (asd->continuous_mode->val) {
793 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
794 				/* SDV case */
795 				switch (buf_type) {
796 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
797 					return &asd->video_out_video_capture;
798 				case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
799 					return &asd->video_out_preview;
800 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
801 					return &asd->video_out_capture;
802 				default:
803 					return &asd->video_out_vf;
804 				}
805 			} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
806 				/* ZSL case */
807 				switch (buf_type) {
808 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
809 					return &asd->video_out_preview;
810 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
811 					return &asd->video_out_capture;
812 				default:
813 					return &asd->video_out_vf;
814 				}
815 			}
816 		} else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
817 			switch (asd->run_mode->val) {
818 			case ATOMISP_RUN_MODE_VIDEO:
819 				return &asd->video_out_video_capture;
820 			case ATOMISP_RUN_MODE_PREVIEW:
821 				return &asd->video_out_preview;
822 			default:
823 				return &asd->video_out_capture;
824 			}
825 		} else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
826 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
827 				return &asd->video_out_preview;
828 			else
829 				return &asd->video_out_vf;
830 		}
831 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
832 		/* For online video or SDV video pipe. */
833 		if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
834 		    css_pipe_id == IA_CSS_PIPE_ID_COPY ||
835 		    css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
836 			if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
837 				return &asd->video_out_video_capture;
838 			return &asd->video_out_preview;
839 		}
840 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
841 		/* For online preview or ZSL preview pipe. */
842 		if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
843 		    css_pipe_id == IA_CSS_PIPE_ID_COPY ||
844 		    css_pipe_id == IA_CSS_PIPE_ID_YUVPP)
845 			return &asd->video_out_preview;
846 	}
847 	/* For capture pipe. */
848 	if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
849 		return &asd->video_out_vf;
850 	return &asd->video_out_capture;
851 }
852 
853 enum atomisp_metadata_type
atomisp_get_metadata_type(struct atomisp_sub_device * asd,enum ia_css_pipe_id pipe_id)854 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
855 			  enum ia_css_pipe_id pipe_id)
856 {
857 	if (!asd->continuous_mode->val)
858 		return ATOMISP_MAIN_METADATA;
859 
860 	if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
861 		return ATOMISP_SEC_METADATA;
862 	else
863 		return ATOMISP_MAIN_METADATA;
864 }
865 
atomisp_buf_done(struct atomisp_sub_device * asd,int error,enum ia_css_buffer_type buf_type,enum ia_css_pipe_id css_pipe_id,bool q_buffers,enum atomisp_input_stream_id stream_id)866 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
867 		      enum ia_css_buffer_type buf_type,
868 		      enum ia_css_pipe_id css_pipe_id,
869 		      bool q_buffers, enum atomisp_input_stream_id stream_id)
870 {
871 	struct videobuf_buffer *vb = NULL;
872 	struct atomisp_video_pipe *pipe = NULL;
873 	struct atomisp_css_buffer buffer;
874 	bool requeue = false;
875 	int err;
876 	unsigned long irqflags;
877 	struct ia_css_frame *frame = NULL;
878 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp, *s3a_iter;
879 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp, *dis_iter;
880 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp, *md_iter;
881 	enum atomisp_metadata_type md_type;
882 	struct atomisp_device *isp = asd->isp;
883 	struct v4l2_control ctrl;
884 
885 	lockdep_assert_held(&isp->mutex);
886 
887 	if (
888 	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
889 	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
890 	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
891 	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
892 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
893 	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
894 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
895 	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
896 		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
897 			__func__, buf_type);
898 		return;
899 	}
900 
901 	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
902 	buffer.css_buffer.type = buf_type;
903 	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
904 					 buf_type, &buffer);
905 	if (err) {
906 		dev_err(isp->dev,
907 			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
908 		return;
909 	}
910 
911 	/* need to know the atomisp pipe for frame buffers */
912 	pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
913 	if (!pipe) {
914 		dev_err(isp->dev, "error getting atomisp pipe\n");
915 		return;
916 	}
917 
918 	switch (buf_type) {
919 	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
920 		list_for_each_entry_safe(s3a_iter, _s3a_buf_tmp,
921 					 &asd->s3a_stats_in_css, list) {
922 			if (s3a_iter->s3a_data ==
923 			    buffer.css_buffer.data.stats_3a) {
924 				list_del_init(&s3a_iter->list);
925 				list_add_tail(&s3a_iter->list,
926 					      &asd->s3a_stats_ready);
927 				s3a_buf = s3a_iter;
928 				break;
929 			}
930 		}
931 
932 		asd->s3a_bufs_in_css[css_pipe_id]--;
933 		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
934 		if (s3a_buf)
935 			dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
936 				__func__, s3a_buf->s3a_data->exp_id);
937 		else
938 			dev_dbg(isp->dev, "%s: s3a stat is ready with no exp_id found\n",
939 				__func__);
940 		break;
941 	case IA_CSS_BUFFER_TYPE_METADATA:
942 		if (error)
943 			break;
944 
945 		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
946 		list_for_each_entry_safe(md_iter, _md_buf_tmp,
947 					 &asd->metadata_in_css[md_type], list) {
948 			if (md_iter->metadata ==
949 			    buffer.css_buffer.data.metadata) {
950 				list_del_init(&md_iter->list);
951 				list_add_tail(&md_iter->list,
952 					      &asd->metadata_ready[md_type]);
953 				md_buf = md_iter;
954 				break;
955 			}
956 		}
957 		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
958 		atomisp_metadata_ready_event(asd, md_type);
959 		if (md_buf)
960 			dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
961 				__func__, md_buf->metadata->exp_id);
962 		else
963 			dev_dbg(isp->dev, "%s: metadata is ready with no exp_id found\n",
964 				__func__);
965 		break;
966 	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
967 		list_for_each_entry_safe(dis_iter, _dis_buf_tmp,
968 					 &asd->dis_stats_in_css, list) {
969 			if (dis_iter->dis_data ==
970 			    buffer.css_buffer.data.stats_dvs) {
971 				spin_lock_irqsave(&asd->dis_stats_lock,
972 						  irqflags);
973 				list_del_init(&dis_iter->list);
974 				list_add(&dis_iter->list, &asd->dis_stats);
975 				asd->params.dis_proj_data_valid = true;
976 				spin_unlock_irqrestore(&asd->dis_stats_lock,
977 						       irqflags);
978 				dis_buf = dis_iter;
979 				break;
980 			}
981 		}
982 		asd->dis_bufs_in_css--;
983 		if (dis_buf)
984 			dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
985 				__func__, dis_buf->dis_data->exp_id);
986 		else
987 			dev_dbg(isp->dev, "%s: dis stat is ready with no exp_id found\n",
988 				__func__);
989 		break;
990 	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
991 	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
992 		pipe->buffers_in_css--;
993 		frame = buffer.css_buffer.data.frame;
994 		if (!frame) {
995 			WARN_ON(1);
996 			break;
997 		}
998 		if (!frame->valid)
999 			error = true;
1000 
1001 		/* FIXME:
1002 		 * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1003 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1004 		 */
1005 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1006 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1007 			frame->exp_id = (asd->postview_exp_id++) %
1008 					(ATOMISP_MAX_EXP_ID + 1);
1009 
1010 		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1011 			__func__, frame->exp_id);
1012 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1013 			if (frame->flash_state
1014 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1015 				dev_dbg(isp->dev, "%s thumb partially flashed\n",
1016 					__func__);
1017 			else if (frame->flash_state
1018 				 == IA_CSS_FRAME_FLASH_STATE_FULL)
1019 				dev_dbg(isp->dev, "%s thumb completely flashed\n",
1020 					__func__);
1021 			else
1022 				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1023 					__func__);
1024 		}
1025 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1026 		WARN_ON(!vb);
1027 		if (vb)
1028 			pipe->frame_config_id[vb->i] = frame->isp_config_id;
1029 		if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1030 		    asd->pending_capture_request > 0) {
1031 			err = atomisp_css_offline_capture_configure(asd,
1032 				asd->params.offline_parm.num_captures,
1033 				asd->params.offline_parm.skip_frames,
1034 				asd->params.offline_parm.offset);
1035 
1036 			asd->pending_capture_request--;
1037 
1038 			dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1039 				err);
1040 		}
1041 		break;
1042 	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1043 	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1044 		pipe->buffers_in_css--;
1045 		frame = buffer.css_buffer.data.frame;
1046 		if (!frame) {
1047 			WARN_ON(1);
1048 			break;
1049 		}
1050 
1051 		if (!frame->valid)
1052 			error = true;
1053 
1054 		/* FIXME:
1055 		 * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1056 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1057 		 */
1058 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1059 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1060 			frame->exp_id = (asd->preview_exp_id++) %
1061 					(ATOMISP_MAX_EXP_ID + 1);
1062 
1063 		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1064 			__func__, frame->exp_id);
1065 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1066 		if (!vb) {
1067 			WARN_ON(1);
1068 			break;
1069 		}
1070 
1071 		/* free the parameters */
1072 		if (pipe->frame_params[vb->i]) {
1073 			if (asd->params.dvs_6axis ==
1074 			    pipe->frame_params[vb->i]->params.dvs_6axis)
1075 				asd->params.dvs_6axis = NULL;
1076 			atomisp_free_css_parameters(
1077 			    &pipe->frame_params[vb->i]->params);
1078 			kvfree(pipe->frame_params[vb->i]);
1079 			pipe->frame_params[vb->i] = NULL;
1080 		}
1081 
1082 		pipe->frame_config_id[vb->i] = frame->isp_config_id;
1083 		ctrl.id = V4L2_CID_FLASH_MODE;
1084 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1085 			if (frame->flash_state
1086 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1087 				asd->frame_status[vb->i] =
1088 				    ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1089 				dev_dbg(isp->dev, "%s partially flashed\n",
1090 					__func__);
1091 			} else if (frame->flash_state
1092 				   == IA_CSS_FRAME_FLASH_STATE_FULL) {
1093 				asd->frame_status[vb->i] =
1094 				    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1095 				asd->params.num_flash_frames--;
1096 				dev_dbg(isp->dev, "%s completely flashed\n",
1097 					__func__);
1098 			} else {
1099 				asd->frame_status[vb->i] =
1100 				    ATOMISP_FRAME_STATUS_OK;
1101 				dev_dbg(isp->dev,
1102 					"%s no flash in this frame\n",
1103 					__func__);
1104 			}
1105 
1106 			/* Check if flashing sequence is done */
1107 			if (asd->frame_status[vb->i] ==
1108 			    ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1109 				asd->params.flash_state = ATOMISP_FLASH_DONE;
1110 		} else if (isp->flash) {
1111 			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1112 			    0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1113 				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1114 				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1115 				    == 0 && ctrl.value > 0) {
1116 					asd->frame_status[vb->i] =
1117 					    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1118 				} else {
1119 					asd->frame_status[vb->i] =
1120 					    ATOMISP_FRAME_STATUS_OK;
1121 				}
1122 			} else {
1123 				asd->frame_status[vb->i] =
1124 				    ATOMISP_FRAME_STATUS_OK;
1125 			}
1126 		} else {
1127 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1128 		}
1129 
1130 		asd->params.last_frame_status = asd->frame_status[vb->i];
1131 
1132 		if (asd->continuous_mode->val) {
1133 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1134 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1135 				asd->latest_preview_exp_id = frame->exp_id;
1136 			} else if (css_pipe_id ==
1137 				   IA_CSS_PIPE_ID_CAPTURE) {
1138 				if (asd->run_mode->val ==
1139 				    ATOMISP_RUN_MODE_VIDEO)
1140 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1141 						frame->exp_id);
1142 				else
1143 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1144 						frame->exp_id);
1145 			}
1146 		}
1147 		/*
1148 		 * Only after enabled the raw buffer lock
1149 		 * and in continuous mode.
1150 		 * in preview/video pipe, each buffer will
1151 		 * be locked automatically, so record it here.
1152 		 */
1153 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1154 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1155 		    asd->enable_raw_buffer_lock->val &&
1156 		    asd->continuous_mode->val) {
1157 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1158 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1159 		}
1160 
1161 		if (asd->params.css_update_params_needed) {
1162 			atomisp_apply_css_parameters(asd,
1163 						     &asd->params.css_param);
1164 			if (asd->params.css_param.update_flag.dz_config)
1165 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1166 			/* New global dvs 6axis config should be blocked
1167 			 * here if there's a buffer with per-frame parameters
1168 			 * pending in CSS frame buffer queue.
1169 			 * This is to aviod zooming vibration since global
1170 			 * parameters take effect immediately while
1171 			 * per-frame parameters are taken after previous
1172 			 * buffers in CSS got processed.
1173 			 */
1174 			if (asd->params.dvs_6axis)
1175 				atomisp_css_set_dvs_6axis(asd,
1176 							  asd->params.dvs_6axis);
1177 			else
1178 				asd->params.css_update_params_needed = false;
1179 			/* The update flag should not be cleaned here
1180 			 * since it is still going to be used to make up
1181 			 * following per-frame parameters.
1182 			 * This will introduce more copy work since each
1183 			 * time when updating global parameters, the whole
1184 			 * parameter set are applied.
1185 			 * FIXME: A new set of parameter copy functions can
1186 			 * be added to make up per-frame parameters based on
1187 			 * solid structures stored in asd->params.css_param
1188 			 * instead of using shadow pointers in update flag.
1189 			 */
1190 			atomisp_css_update_isp_params(asd);
1191 		}
1192 		break;
1193 	default:
1194 		break;
1195 	}
1196 	if (vb) {
1197 		vb->ts = ktime_get_ns();
1198 		vb->field_count = atomic_read(&asd->sequence) << 1;
1199 		/*mark videobuffer done for dequeue*/
1200 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1201 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1202 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1203 
1204 		/*
1205 		 * Frame capture done, wake up any process block on
1206 		 * current active buffer
1207 		 * possibly hold by videobuf_dqbuf()
1208 		 */
1209 		wake_up(&vb->done);
1210 	}
1211 
1212 	/*
1213 	 * Requeue should only be done for 3a and dis buffers.
1214 	 * Queue/dequeue order will change if driver recycles image buffers.
1215 	 */
1216 	if (requeue) {
1217 		err = atomisp_css_queue_buffer(asd,
1218 					       stream_id, css_pipe_id,
1219 					       buf_type, &buffer);
1220 		if (err)
1221 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1222 				__func__, err);
1223 		return;
1224 	}
1225 	if (!error && q_buffers)
1226 		atomisp_qbuffers_to_css(asd);
1227 }
1228 
atomisp_delayed_init_work(struct work_struct * work)1229 void atomisp_delayed_init_work(struct work_struct *work)
1230 {
1231 	struct atomisp_sub_device *asd = container_of(work,
1232 					 struct atomisp_sub_device,
1233 					 delayed_init_work);
1234 	/*
1235 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1236 	 */
1237 	if (!ATOMISP_USE_YUVPP(asd)) {
1238 		struct v4l2_event event = {0};
1239 		struct ia_css_stream *stream;
1240 
1241 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1242 
1243 
1244 		if (ia_css_alloc_continuous_frame_remain(stream))
1245 			return;
1246 
1247 		ia_css_update_continuous_frames(stream);
1248 
1249 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1250 		v4l2_event_queue(asd->subdev.devnode, &event);
1251 	}
1252 
1253 	/* signal streamon after delayed init is done */
1254 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1255 	complete(&asd->init_done);
1256 }
1257 
__atomisp_css_recover(struct atomisp_device * isp,bool isp_timeout)1258 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1259 {
1260 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1261 	enum ia_css_pipe_id css_pipe_id;
1262 	bool stream_restart[MAX_STREAM_NUM] = {0};
1263 	bool depth_mode = false;
1264 	int i, ret, depth_cnt = 0;
1265 	unsigned long flags;
1266 
1267 	lockdep_assert_held(&isp->mutex);
1268 
1269 	if (!atomisp_streaming_count(isp))
1270 		return;
1271 
1272 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1273 
1274 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1275 
1276 	for (i = 0; i < isp->num_of_streams; i++) {
1277 		struct atomisp_sub_device *asd = &isp->asd[i];
1278 
1279 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1280 		    !asd->stream_prepared)
1281 			continue;
1282 
1283 		depth_cnt++;
1284 
1285 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1286 			cancel_work_sync(&asd->delayed_init_work);
1287 
1288 		complete(&asd->init_done);
1289 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1290 
1291 		stream_restart[asd->index] = true;
1292 
1293 		spin_lock_irqsave(&isp->lock, flags);
1294 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1295 		spin_unlock_irqrestore(&isp->lock, flags);
1296 
1297 		/* stream off sensor */
1298 		ret = v4l2_subdev_call(
1299 			  isp->inputs[asd->input_curr].
1300 			  camera, video, s_stream, 0);
1301 		if (ret)
1302 			dev_warn(isp->dev,
1303 				 "can't stop streaming on sensor!\n");
1304 
1305 		atomisp_clear_css_buffer_counters(asd);
1306 
1307 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1308 		atomisp_css_stop(asd, css_pipe_id, true);
1309 
1310 		spin_lock_irqsave(&isp->lock, flags);
1311 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1312 		spin_unlock_irqrestore(&isp->lock, flags);
1313 
1314 		asd->preview_exp_id = 1;
1315 		asd->postview_exp_id = 1;
1316 		/* notify HAL the CSS reset */
1317 		dev_dbg(isp->dev,
1318 			"send reset event to %s\n", asd->subdev.devnode->name);
1319 		atomisp_reset_event(asd);
1320 	}
1321 
1322 	/* clear irq */
1323 	disable_isp_irq(hrt_isp_css_irq_sp);
1324 	clear_isp_irq(hrt_isp_css_irq_sp);
1325 
1326 	/* Set the SRSE to 3 before resetting */
1327 	pci_write_config_dword(pdev, PCI_I_CONTROL,
1328 			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1329 
1330 	/* reset ISP and restore its state */
1331 	isp->isp_timeout = true;
1332 	atomisp_reset(isp);
1333 	isp->isp_timeout = false;
1334 
1335 	if (!isp_timeout) {
1336 		for (i = 0; i < isp->num_of_streams; i++) {
1337 			if (isp->asd[i].depth_mode->val)
1338 				return;
1339 		}
1340 	}
1341 
1342 	for (i = 0; i < isp->num_of_streams; i++) {
1343 		struct atomisp_sub_device *asd = &isp->asd[i];
1344 
1345 		if (!stream_restart[i])
1346 			continue;
1347 
1348 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1349 			atomisp_css_input_set_mode(asd,
1350 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1351 
1352 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1353 		if (atomisp_css_start(asd, css_pipe_id, true)) {
1354 			dev_warn(isp->dev,
1355 				 "start SP failed, so do not set streaming to be enable!\n");
1356 		} else {
1357 			spin_lock_irqsave(&isp->lock, flags);
1358 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1359 			spin_unlock_irqrestore(&isp->lock, flags);
1360 		}
1361 
1362 		atomisp_csi2_configure(asd);
1363 	}
1364 
1365 	atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1366 			       atomisp_css_valid_sof(isp));
1367 
1368 	if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1369 		dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1370 
1371 	for (i = 0; i < isp->num_of_streams; i++) {
1372 		struct atomisp_sub_device *asd;
1373 
1374 		asd = &isp->asd[i];
1375 
1376 		if (!stream_restart[i])
1377 			continue;
1378 
1379 		if (asd->continuous_mode->val &&
1380 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1381 			reinit_completion(&asd->init_done);
1382 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1383 			queue_work(asd->delayed_init_workq,
1384 				   &asd->delayed_init_work);
1385 		}
1386 		/*
1387 		 * dequeueing buffers is not needed. CSS will recycle
1388 		 * buffers that it has.
1389 		 */
1390 		atomisp_flush_bufs_and_wakeup(asd);
1391 
1392 		/* Requeue unprocessed per-frame parameters. */
1393 		atomisp_recover_params_queue(&asd->video_out_capture);
1394 		atomisp_recover_params_queue(&asd->video_out_preview);
1395 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1396 
1397 		if ((asd->depth_mode->val) &&
1398 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1399 			depth_mode = true;
1400 			continue;
1401 		}
1402 
1403 		ret = v4l2_subdev_call(
1404 			  isp->inputs[asd->input_curr].camera, video,
1405 			  s_stream, 1);
1406 		if (ret)
1407 			dev_warn(isp->dev,
1408 				 "can't start streaming on sensor!\n");
1409 	}
1410 
1411 	if (depth_mode) {
1412 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1413 			dev_warn(isp->dev,
1414 				 "master slave sensor stream on failed!\n");
1415 	}
1416 }
1417 
atomisp_assert_recovery_work(struct work_struct * work)1418 void atomisp_assert_recovery_work(struct work_struct *work)
1419 {
1420 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1421 						  assert_recovery_work);
1422 
1423 	mutex_lock(&isp->mutex);
1424 	__atomisp_css_recover(isp, true);
1425 	mutex_unlock(&isp->mutex);
1426 }
1427 
atomisp_css_flush(struct atomisp_device * isp)1428 void atomisp_css_flush(struct atomisp_device *isp)
1429 {
1430 	/* Start recover */
1431 	__atomisp_css_recover(isp, false);
1432 
1433 	dev_dbg(isp->dev, "atomisp css flush done\n");
1434 }
1435 
atomisp_setup_flash(struct atomisp_sub_device * asd)1436 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1437 {
1438 	struct atomisp_device *isp = asd->isp;
1439 	struct v4l2_control ctrl;
1440 
1441 	if (!isp->flash)
1442 		return;
1443 
1444 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1445 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1446 		return;
1447 
1448 	if (asd->params.num_flash_frames) {
1449 		/* make sure the timeout is set before setting flash mode */
1450 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1451 		ctrl.value = FLASH_TIMEOUT;
1452 
1453 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1454 			dev_err(isp->dev, "flash timeout configure failed\n");
1455 			return;
1456 		}
1457 
1458 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1459 
1460 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1461 	} else {
1462 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1463 	}
1464 }
1465 
atomisp_isr_thread(int irq,void * isp_ptr)1466 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1467 {
1468 	struct atomisp_device *isp = isp_ptr;
1469 	unsigned long flags;
1470 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1471 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1472 	unsigned int i;
1473 	struct atomisp_sub_device *asd;
1474 
1475 	dev_dbg(isp->dev, ">%s\n", __func__);
1476 
1477 	spin_lock_irqsave(&isp->lock, flags);
1478 
1479 	if (!atomisp_streaming_count(isp)) {
1480 		spin_unlock_irqrestore(&isp->lock, flags);
1481 		return IRQ_HANDLED;
1482 	}
1483 
1484 	spin_unlock_irqrestore(&isp->lock, flags);
1485 
1486 	/*
1487 	 * The standard CSS2.0 API tells the following calling sequence of
1488 	 * dequeue ready buffers:
1489 	 * while (ia_css_dequeue_psys_event(...)) {
1490 	 *	switch (event.type) {
1491 	 *	...
1492 	 *	ia_css_pipe_dequeue_buffer()
1493 	 *	}
1494 	 * }
1495 	 * That is, dequeue event and buffer are one after another.
1496 	 *
1497 	 * But the following implementation is to first deuque all the event
1498 	 * to a FIFO, then process the event in the FIFO.
1499 	 * This will not have issue in single stream mode, but it do have some
1500 	 * issue in multiple stream case. The issue is that
1501 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1502 	 * a specific pipe.
1503 	 *
1504 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1505 	 * ia_css_pipe parameter.
1506 	 *
1507 	 * So:
1508 	 * For CSS2.0: we change the way to not dequeue all the event at one
1509 	 * time, instead, dequue one and process one, then another
1510 	 */
1511 	mutex_lock(&isp->mutex);
1512 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1513 		goto out;
1514 
1515 	for (i = 0; i < isp->num_of_streams; i++) {
1516 		asd = &isp->asd[i];
1517 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1518 			continue;
1519 		atomisp_setup_flash(asd);
1520 	}
1521 out:
1522 	mutex_unlock(&isp->mutex);
1523 	dev_dbg(isp->dev, "<%s\n", __func__);
1524 
1525 	return IRQ_HANDLED;
1526 }
1527 
1528 /*
1529  * Get internal fmt according to V4L2 fmt
1530  */
1531 static enum ia_css_frame_format
v4l2_fmt_to_sh_fmt(u32 fmt)1532 v4l2_fmt_to_sh_fmt(u32 fmt)
1533 {
1534 	switch (fmt) {
1535 	case V4L2_PIX_FMT_YUV420:
1536 				return IA_CSS_FRAME_FORMAT_YUV420;
1537 	case V4L2_PIX_FMT_YVU420:
1538 		return IA_CSS_FRAME_FORMAT_YV12;
1539 	case V4L2_PIX_FMT_YUV422P:
1540 		return IA_CSS_FRAME_FORMAT_YUV422;
1541 	case V4L2_PIX_FMT_YUV444:
1542 		return IA_CSS_FRAME_FORMAT_YUV444;
1543 	case V4L2_PIX_FMT_NV12:
1544 		return IA_CSS_FRAME_FORMAT_NV12;
1545 	case V4L2_PIX_FMT_NV21:
1546 		return IA_CSS_FRAME_FORMAT_NV21;
1547 	case V4L2_PIX_FMT_NV16:
1548 		return IA_CSS_FRAME_FORMAT_NV16;
1549 	case V4L2_PIX_FMT_NV61:
1550 		return IA_CSS_FRAME_FORMAT_NV61;
1551 	case V4L2_PIX_FMT_UYVY:
1552 		return IA_CSS_FRAME_FORMAT_UYVY;
1553 	case V4L2_PIX_FMT_YUYV:
1554 		return IA_CSS_FRAME_FORMAT_YUYV;
1555 	case V4L2_PIX_FMT_RGB24:
1556 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1557 	case V4L2_PIX_FMT_RGB32:
1558 		return IA_CSS_FRAME_FORMAT_RGBA888;
1559 	case V4L2_PIX_FMT_RGB565:
1560 		return IA_CSS_FRAME_FORMAT_RGB565;
1561 #if 0
1562 	case V4L2_PIX_FMT_JPEG:
1563 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1564 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1565 #endif
1566 	case V4L2_PIX_FMT_SBGGR16:
1567 	case V4L2_PIX_FMT_SBGGR10:
1568 	case V4L2_PIX_FMT_SGBRG10:
1569 	case V4L2_PIX_FMT_SGRBG10:
1570 	case V4L2_PIX_FMT_SRGGB10:
1571 	case V4L2_PIX_FMT_SBGGR12:
1572 	case V4L2_PIX_FMT_SGBRG12:
1573 	case V4L2_PIX_FMT_SGRBG12:
1574 	case V4L2_PIX_FMT_SRGGB12:
1575 	case V4L2_PIX_FMT_SBGGR8:
1576 	case V4L2_PIX_FMT_SGBRG8:
1577 	case V4L2_PIX_FMT_SGRBG8:
1578 	case V4L2_PIX_FMT_SRGGB8:
1579 		return IA_CSS_FRAME_FORMAT_RAW;
1580 	default:
1581 		return -EINVAL;
1582 	}
1583 }
1584 
1585 /*
1586  * raw format match between SH format and V4L2 format
1587  */
raw_output_format_match_input(u32 input,u32 output)1588 static int raw_output_format_match_input(u32 input, u32 output)
1589 {
1590 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1591 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1592 	     (output == V4L2_PIX_FMT_SGRBG12) ||
1593 	     (output == V4L2_PIX_FMT_SBGGR12) ||
1594 	     (output == V4L2_PIX_FMT_SGBRG12)))
1595 		return 0;
1596 
1597 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
1598 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
1599 	     (output == V4L2_PIX_FMT_SGRBG10) ||
1600 	     (output == V4L2_PIX_FMT_SBGGR10) ||
1601 	     (output == V4L2_PIX_FMT_SGBRG10)))
1602 		return 0;
1603 
1604 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
1605 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
1606 	     (output == V4L2_PIX_FMT_SGRBG8) ||
1607 	     (output == V4L2_PIX_FMT_SBGGR8) ||
1608 	     (output == V4L2_PIX_FMT_SGBRG8)))
1609 		return 0;
1610 
1611 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
1612 		return 0;
1613 
1614 	return -EINVAL;
1615 }
1616 
atomisp_get_pixel_depth(u32 pixelformat)1617 u32 atomisp_get_pixel_depth(u32 pixelformat)
1618 {
1619 	switch (pixelformat) {
1620 	case V4L2_PIX_FMT_YUV420:
1621 	case V4L2_PIX_FMT_NV12:
1622 	case V4L2_PIX_FMT_NV21:
1623 	case V4L2_PIX_FMT_YVU420:
1624 		return 12;
1625 	case V4L2_PIX_FMT_YUV422P:
1626 	case V4L2_PIX_FMT_YUYV:
1627 	case V4L2_PIX_FMT_UYVY:
1628 	case V4L2_PIX_FMT_NV16:
1629 	case V4L2_PIX_FMT_NV61:
1630 	case V4L2_PIX_FMT_RGB565:
1631 	case V4L2_PIX_FMT_SBGGR16:
1632 	case V4L2_PIX_FMT_SBGGR12:
1633 	case V4L2_PIX_FMT_SGBRG12:
1634 	case V4L2_PIX_FMT_SGRBG12:
1635 	case V4L2_PIX_FMT_SRGGB12:
1636 	case V4L2_PIX_FMT_SBGGR10:
1637 	case V4L2_PIX_FMT_SGBRG10:
1638 	case V4L2_PIX_FMT_SGRBG10:
1639 	case V4L2_PIX_FMT_SRGGB10:
1640 		return 16;
1641 	case V4L2_PIX_FMT_RGB24:
1642 	case V4L2_PIX_FMT_YUV444:
1643 		return 24;
1644 	case V4L2_PIX_FMT_RGB32:
1645 		return 32;
1646 	case V4L2_PIX_FMT_JPEG:
1647 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1648 	case V4L2_PIX_FMT_SBGGR8:
1649 	case V4L2_PIX_FMT_SGBRG8:
1650 	case V4L2_PIX_FMT_SGRBG8:
1651 	case V4L2_PIX_FMT_SRGGB8:
1652 		return 8;
1653 	default:
1654 		return 8 * 2;	/* raw type now */
1655 	}
1656 }
1657 
atomisp_is_mbuscode_raw(uint32_t code)1658 bool atomisp_is_mbuscode_raw(uint32_t code)
1659 {
1660 	return code >= 0x3000 && code < 0x4000;
1661 }
1662 
1663 /*
1664  * ISP features control function
1665  */
1666 
1667 /*
1668  * Set ISP capture mode based on current settings
1669  */
atomisp_update_capture_mode(struct atomisp_sub_device * asd)1670 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
1671 {
1672 	if (asd->params.gdc_cac_en)
1673 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
1674 	else if (asd->params.low_light)
1675 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
1676 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
1677 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
1678 	else
1679 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
1680 }
1681 
1682 /* ISP2401 */
atomisp_set_sensor_runmode(struct atomisp_sub_device * asd,struct atomisp_s_runmode * runmode)1683 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
1684 			       struct atomisp_s_runmode *runmode)
1685 {
1686 	struct atomisp_device *isp = asd->isp;
1687 	struct v4l2_ctrl *c;
1688 	int ret = 0;
1689 
1690 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
1691 		return -EINVAL;
1692 
1693 	mutex_lock(asd->ctrl_handler.lock);
1694 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
1695 			   V4L2_CID_RUN_MODE);
1696 
1697 	if (c)
1698 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
1699 
1700 	mutex_unlock(asd->ctrl_handler.lock);
1701 	return ret;
1702 }
1703 
1704 /*
1705  * Function to enable/disable lens geometry distortion correction (GDC) and
1706  * chromatic aberration correction (CAC)
1707  */
atomisp_gdc_cac(struct atomisp_sub_device * asd,int flag,__s32 * value)1708 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
1709 		    __s32 *value)
1710 {
1711 	if (flag == 0) {
1712 		*value = asd->params.gdc_cac_en;
1713 		return 0;
1714 	}
1715 
1716 	asd->params.gdc_cac_en = !!*value;
1717 	if (asd->params.gdc_cac_en) {
1718 		asd->params.config.morph_table = asd->params.css_param.morph_table;
1719 	} else {
1720 		asd->params.config.morph_table = NULL;
1721 	}
1722 	asd->params.css_update_params_needed = true;
1723 	atomisp_update_capture_mode(asd);
1724 	return 0;
1725 }
1726 
1727 /*
1728  * Function to enable/disable low light mode including ANR
1729  */
atomisp_low_light(struct atomisp_sub_device * asd,int flag,__s32 * value)1730 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
1731 		      __s32 *value)
1732 {
1733 	if (flag == 0) {
1734 		*value = asd->params.low_light;
1735 		return 0;
1736 	}
1737 
1738 	asd->params.low_light = (*value != 0);
1739 	atomisp_update_capture_mode(asd);
1740 	return 0;
1741 }
1742 
1743 /*
1744  * Function to enable/disable extra noise reduction (XNR) in low light
1745  * condition
1746  */
atomisp_xnr(struct atomisp_sub_device * asd,int flag,int * xnr_enable)1747 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
1748 		int *xnr_enable)
1749 {
1750 	if (flag == 0) {
1751 		*xnr_enable = asd->params.xnr_en;
1752 		return 0;
1753 	}
1754 
1755 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
1756 
1757 	return 0;
1758 }
1759 
1760 /*
1761  * Function to configure bayer noise reduction
1762  */
atomisp_nr(struct atomisp_sub_device * asd,int flag,struct atomisp_nr_config * arg)1763 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
1764 	       struct atomisp_nr_config *arg)
1765 {
1766 	if (flag == 0) {
1767 		/* Get nr config from current setup */
1768 		if (atomisp_css_get_nr_config(asd, arg))
1769 			return -EINVAL;
1770 	} else {
1771 		/* Set nr config to isp parameters */
1772 		memcpy(&asd->params.css_param.nr_config, arg,
1773 		       sizeof(struct ia_css_nr_config));
1774 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
1775 		asd->params.css_update_params_needed = true;
1776 	}
1777 	return 0;
1778 }
1779 
1780 /*
1781  * Function to configure temporal noise reduction (TNR)
1782  */
atomisp_tnr(struct atomisp_sub_device * asd,int flag,struct atomisp_tnr_config * config)1783 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
1784 		struct atomisp_tnr_config *config)
1785 {
1786 	/* Get tnr config from current setup */
1787 	if (flag == 0) {
1788 		/* Get tnr config from current setup */
1789 		if (atomisp_css_get_tnr_config(asd, config))
1790 			return -EINVAL;
1791 	} else {
1792 		/* Set tnr config to isp parameters */
1793 		memcpy(&asd->params.css_param.tnr_config, config,
1794 		       sizeof(struct ia_css_tnr_config));
1795 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
1796 		asd->params.css_update_params_needed = true;
1797 	}
1798 
1799 	return 0;
1800 }
1801 
1802 /*
1803  * Function to configure black level compensation
1804  */
atomisp_black_level(struct atomisp_sub_device * asd,int flag,struct atomisp_ob_config * config)1805 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
1806 			struct atomisp_ob_config *config)
1807 {
1808 	if (flag == 0) {
1809 		/* Get ob config from current setup */
1810 		if (atomisp_css_get_ob_config(asd, config))
1811 			return -EINVAL;
1812 	} else {
1813 		/* Set ob config to isp parameters */
1814 		memcpy(&asd->params.css_param.ob_config, config,
1815 		       sizeof(struct ia_css_ob_config));
1816 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
1817 		asd->params.css_update_params_needed = true;
1818 	}
1819 
1820 	return 0;
1821 }
1822 
1823 /*
1824  * Function to configure edge enhancement
1825  */
atomisp_ee(struct atomisp_sub_device * asd,int flag,struct atomisp_ee_config * config)1826 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
1827 	       struct atomisp_ee_config *config)
1828 {
1829 	if (flag == 0) {
1830 		/* Get ee config from current setup */
1831 		if (atomisp_css_get_ee_config(asd, config))
1832 			return -EINVAL;
1833 	} else {
1834 		/* Set ee config to isp parameters */
1835 		memcpy(&asd->params.css_param.ee_config, config,
1836 		       sizeof(asd->params.css_param.ee_config));
1837 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
1838 		asd->params.css_update_params_needed = true;
1839 	}
1840 
1841 	return 0;
1842 }
1843 
1844 /*
1845  * Function to update Gamma table for gamma, brightness and contrast config
1846  */
atomisp_gamma(struct atomisp_sub_device * asd,int flag,struct atomisp_gamma_table * config)1847 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
1848 		  struct atomisp_gamma_table *config)
1849 {
1850 	if (flag == 0) {
1851 		/* Get gamma table from current setup */
1852 		if (atomisp_css_get_gamma_table(asd, config))
1853 			return -EINVAL;
1854 	} else {
1855 		/* Set gamma table to isp parameters */
1856 		memcpy(&asd->params.css_param.gamma_table, config,
1857 		       sizeof(asd->params.css_param.gamma_table));
1858 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
1859 	}
1860 
1861 	return 0;
1862 }
1863 
1864 /*
1865  * Function to update Ctc table for Chroma Enhancement
1866  */
atomisp_ctc(struct atomisp_sub_device * asd,int flag,struct atomisp_ctc_table * config)1867 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
1868 		struct atomisp_ctc_table *config)
1869 {
1870 	if (flag == 0) {
1871 		/* Get ctc table from current setup */
1872 		if (atomisp_css_get_ctc_table(asd, config))
1873 			return -EINVAL;
1874 	} else {
1875 		/* Set ctc table to isp parameters */
1876 		memcpy(&asd->params.css_param.ctc_table, config,
1877 		       sizeof(asd->params.css_param.ctc_table));
1878 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
1879 	}
1880 
1881 	return 0;
1882 }
1883 
1884 /*
1885  * Function to update gamma correction parameters
1886  */
atomisp_gamma_correction(struct atomisp_sub_device * asd,int flag,struct atomisp_gc_config * config)1887 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
1888 			     struct atomisp_gc_config *config)
1889 {
1890 	if (flag == 0) {
1891 		/* Get gamma correction params from current setup */
1892 		if (atomisp_css_get_gc_config(asd, config))
1893 			return -EINVAL;
1894 	} else {
1895 		/* Set gamma correction params to isp parameters */
1896 		memcpy(&asd->params.css_param.gc_config, config,
1897 		       sizeof(asd->params.css_param.gc_config));
1898 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
1899 		asd->params.css_update_params_needed = true;
1900 	}
1901 
1902 	return 0;
1903 }
1904 
1905 /*
1906  * Function to update narrow gamma flag
1907  */
atomisp_formats(struct atomisp_sub_device * asd,int flag,struct atomisp_formats_config * config)1908 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
1909 		    struct atomisp_formats_config *config)
1910 {
1911 	if (flag == 0) {
1912 		/* Get narrow gamma flag from current setup */
1913 		if (atomisp_css_get_formats_config(asd, config))
1914 			return -EINVAL;
1915 	} else {
1916 		/* Set narrow gamma flag to isp parameters */
1917 		memcpy(&asd->params.css_param.formats_config, config,
1918 		       sizeof(asd->params.css_param.formats_config));
1919 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
1920 	}
1921 
1922 	return 0;
1923 }
1924 
atomisp_free_internal_buffers(struct atomisp_sub_device * asd)1925 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
1926 {
1927 	atomisp_free_css_parameters(&asd->params.css_param);
1928 
1929 	if (asd->raw_output_frame) {
1930 		ia_css_frame_free(asd->raw_output_frame);
1931 		asd->raw_output_frame = NULL;
1932 	}
1933 }
1934 
atomisp_update_grid_info(struct atomisp_sub_device * asd,enum ia_css_pipe_id pipe_id,int source_pad)1935 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
1936 				     enum ia_css_pipe_id pipe_id,
1937 				     int source_pad)
1938 {
1939 	struct atomisp_device *isp = asd->isp;
1940 	int err;
1941 
1942 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
1943 		return;
1944 
1945 	/* We must free all buffers because they no longer match
1946 	   the grid size. */
1947 	atomisp_css_free_stat_buffers(asd);
1948 
1949 	err = atomisp_alloc_css_stat_bufs(asd, ATOMISP_INPUT_STREAM_GENERAL);
1950 	if (err) {
1951 		dev_err(isp->dev, "stat_buf allocate error\n");
1952 		goto err;
1953 	}
1954 
1955 	if (atomisp_alloc_3a_output_buf(asd)) {
1956 		/* Failure for 3A buffers does not influence DIS buffers */
1957 		if (asd->params.s3a_output_bytes != 0) {
1958 			/* For SOC sensor happens s3a_output_bytes == 0,
1959 			 * using if condition to exclude false error log */
1960 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
1961 		}
1962 		goto err;
1963 	}
1964 
1965 	if (atomisp_alloc_dis_coef_buf(asd)) {
1966 		dev_err(isp->dev,
1967 			"Failed to allocate memory for DIS statistics\n");
1968 		goto err;
1969 	}
1970 
1971 	if (atomisp_alloc_metadata_output_buf(asd)) {
1972 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
1973 		goto err;
1974 	}
1975 
1976 	return;
1977 
1978 err:
1979 	atomisp_css_free_stat_buffers(asd);
1980 	return;
1981 }
1982 
atomisp_curr_user_grid_info(struct atomisp_sub_device * asd,struct atomisp_grid_info * info)1983 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
1984 					struct atomisp_grid_info *info)
1985 {
1986 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
1987 	       sizeof(struct ia_css_3a_grid_info));
1988 }
1989 
atomisp_compare_grid(struct atomisp_sub_device * asd,struct atomisp_grid_info * atomgrid)1990 int atomisp_compare_grid(struct atomisp_sub_device *asd,
1991 			 struct atomisp_grid_info *atomgrid)
1992 {
1993 	struct atomisp_grid_info tmp = {0};
1994 
1995 	atomisp_curr_user_grid_info(asd, &tmp);
1996 	return memcmp(atomgrid, &tmp, sizeof(tmp));
1997 }
1998 
1999 /*
2000  * Function to update Gdc table for gdc
2001  */
atomisp_gdc_cac_table(struct atomisp_sub_device * asd,int flag,struct atomisp_morph_table * config)2002 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2003 			  struct atomisp_morph_table *config)
2004 {
2005 	int ret;
2006 	int i;
2007 	struct atomisp_device *isp = asd->isp;
2008 
2009 	if (flag == 0) {
2010 		/* Get gdc table from current setup */
2011 		struct ia_css_morph_table tab = {0};
2012 
2013 		atomisp_css_get_morph_table(asd, &tab);
2014 
2015 		config->width = tab.width;
2016 		config->height = tab.height;
2017 
2018 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2019 			ret = copy_to_user(config->coordinates_x[i],
2020 					   tab.coordinates_x[i], tab.height *
2021 					   tab.width * sizeof(*tab.coordinates_x[i]));
2022 			if (ret) {
2023 				dev_err(isp->dev,
2024 					"Failed to copy to User for x\n");
2025 				return -EFAULT;
2026 			}
2027 			ret = copy_to_user(config->coordinates_y[i],
2028 					   tab.coordinates_y[i], tab.height *
2029 					   tab.width * sizeof(*tab.coordinates_y[i]));
2030 			if (ret) {
2031 				dev_err(isp->dev,
2032 					"Failed to copy to User for y\n");
2033 				return -EFAULT;
2034 			}
2035 		}
2036 	} else {
2037 		struct ia_css_morph_table *tab =
2038 			    asd->params.css_param.morph_table;
2039 
2040 		/* free first if we have one */
2041 		if (tab) {
2042 			atomisp_css_morph_table_free(tab);
2043 			asd->params.css_param.morph_table = NULL;
2044 		}
2045 
2046 		/* allocate new one */
2047 		tab = atomisp_css_morph_table_allocate(config->width,
2048 						       config->height);
2049 
2050 		if (!tab) {
2051 			dev_err(isp->dev, "out of memory\n");
2052 			return -EINVAL;
2053 		}
2054 
2055 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2056 			ret = copy_from_user(tab->coordinates_x[i],
2057 					     config->coordinates_x[i],
2058 					     config->height * config->width *
2059 					     sizeof(*config->coordinates_x[i]));
2060 			if (ret) {
2061 				dev_err(isp->dev,
2062 					"Failed to copy from User for x, ret %d\n",
2063 					ret);
2064 				atomisp_css_morph_table_free(tab);
2065 				return -EFAULT;
2066 			}
2067 			ret = copy_from_user(tab->coordinates_y[i],
2068 					     config->coordinates_y[i],
2069 					     config->height * config->width *
2070 					     sizeof(*config->coordinates_y[i]));
2071 			if (ret) {
2072 				dev_err(isp->dev,
2073 					"Failed to copy from User for y, ret is %d\n",
2074 					ret);
2075 				atomisp_css_morph_table_free(tab);
2076 				return -EFAULT;
2077 			}
2078 		}
2079 		asd->params.css_param.morph_table = tab;
2080 		if (asd->params.gdc_cac_en)
2081 			asd->params.config.morph_table = tab;
2082 	}
2083 
2084 	return 0;
2085 }
2086 
atomisp_macc_table(struct atomisp_sub_device * asd,int flag,struct atomisp_macc_config * config)2087 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2088 		       struct atomisp_macc_config *config)
2089 {
2090 	struct ia_css_macc_table *macc_table;
2091 
2092 	switch (config->color_effect) {
2093 	case V4L2_COLORFX_NONE:
2094 		macc_table = &asd->params.css_param.macc_table;
2095 		break;
2096 	case V4L2_COLORFX_SKY_BLUE:
2097 		macc_table = &blue_macc_table;
2098 		break;
2099 	case V4L2_COLORFX_GRASS_GREEN:
2100 		macc_table = &green_macc_table;
2101 		break;
2102 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2103 		macc_table = &skin_low_macc_table;
2104 		break;
2105 	case V4L2_COLORFX_SKIN_WHITEN:
2106 		macc_table = &skin_medium_macc_table;
2107 		break;
2108 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2109 		macc_table = &skin_high_macc_table;
2110 		break;
2111 	default:
2112 		return -EINVAL;
2113 	}
2114 
2115 	if (flag == 0) {
2116 		/* Get macc table from current setup */
2117 		memcpy(&config->table, macc_table,
2118 		       sizeof(struct ia_css_macc_table));
2119 	} else {
2120 		memcpy(macc_table, &config->table,
2121 		       sizeof(struct ia_css_macc_table));
2122 		if (config->color_effect == asd->params.color_effect)
2123 			asd->params.config.macc_table = macc_table;
2124 	}
2125 
2126 	return 0;
2127 }
2128 
atomisp_set_dis_vector(struct atomisp_sub_device * asd,struct atomisp_dis_vector * vector)2129 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2130 			   struct atomisp_dis_vector *vector)
2131 {
2132 	atomisp_css_video_set_dis_vector(asd, vector);
2133 
2134 	asd->params.dis_proj_data_valid = false;
2135 	asd->params.css_update_params_needed = true;
2136 	return 0;
2137 }
2138 
2139 /*
2140  * Function to set/get image stablization statistics
2141  */
atomisp_get_dis_stat(struct atomisp_sub_device * asd,struct atomisp_dis_statistics * stats)2142 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2143 			 struct atomisp_dis_statistics *stats)
2144 {
2145 	return atomisp_css_get_dis_stat(asd, stats);
2146 }
2147 
2148 /*
2149  * Function  set camrea_prefiles.xml current sensor pixel array size
2150  */
atomisp_set_array_res(struct atomisp_sub_device * asd,struct atomisp_resolution * config)2151 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2152 			  struct atomisp_resolution  *config)
2153 {
2154 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2155 	if (!config) {
2156 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2157 		return -EINVAL;
2158 	}
2159 
2160 	asd->sensor_array_res.width = config->width;
2161 	asd->sensor_array_res.height = config->height;
2162 	return 0;
2163 }
2164 
2165 /*
2166  * Function to get DVS2 BQ resolution settings
2167  */
atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device * asd,struct atomisp_dvs2_bq_resolutions * bq_res)2168 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2169 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2170 {
2171 	struct ia_css_pipe_config *pipe_cfg = NULL;
2172 	struct ia_css_stream_config *stream_cfg = NULL;
2173 	struct ia_css_stream_input_config *input_config = NULL;
2174 
2175 	struct ia_css_stream *stream =
2176 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2177 	if (!stream) {
2178 		dev_warn(asd->isp->dev, "stream is not created");
2179 		return -EAGAIN;
2180 	}
2181 
2182 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2183 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2184 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2185 		     .stream_config;
2186 	input_config = &stream_cfg->input_config;
2187 
2188 	if (!bq_res)
2189 		return -EINVAL;
2190 
2191 	/* the GDC output resolution */
2192 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2193 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2194 
2195 	bq_res->envelope_bq.width_bq = 0;
2196 	bq_res->envelope_bq.height_bq = 0;
2197 	/* the GDC input resolution */
2198 	if (!asd->continuous_mode->val) {
2199 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2200 					     pipe_cfg->dvs_envelope.width / 2;
2201 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2202 					      pipe_cfg->dvs_envelope.height / 2;
2203 		/*
2204 		 * Bad pixels caused by spatial filter processing
2205 		 * ISP filter resolution should be given by CSS/FW, but for now
2206 		 * there is not such API to query, and it is fixed value, so
2207 		 * hardcoded here.
2208 		 */
2209 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2210 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2211 		/* spatial filter shift, always 4 pixels */
2212 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2213 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2214 
2215 		if (asd->params.video_dis_en) {
2216 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2217 						       / 2 - bq_res->ispfilter_bq.width_bq;
2218 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2219 							/ 2 - bq_res->ispfilter_bq.height_bq;
2220 		}
2221 	} else {
2222 		unsigned int w_padding;
2223 		unsigned int gdc_effective_input = 0;
2224 
2225 		/* For GDC:
2226 		 * gdc_effective_input = effective_input + envelope
2227 		 *
2228 		 * From the comment and formula in BZ1786,
2229 		 * we see the source_bq should be:
2230 		 * effective_input / bayer_ds_ratio
2231 		 */
2232 		bq_res->source_bq.width_bq =
2233 		    (input_config->effective_res.width *
2234 		     pipe_cfg->bayer_ds_out_res.width /
2235 		     input_config->effective_res.width + 1) / 2;
2236 		bq_res->source_bq.height_bq =
2237 		    (input_config->effective_res.height *
2238 		     pipe_cfg->bayer_ds_out_res.height /
2239 		     input_config->effective_res.height + 1) / 2;
2240 
2241 		if (!asd->params.video_dis_en) {
2242 			/*
2243 			 * We adjust the ispfilter_bq to:
2244 			 * ispfilter_bq = 128/BDS
2245 			 * we still need firmware team to provide an offical
2246 			 * formula for SDV.
2247 			 */
2248 			bq_res->ispfilter_bq.width_bq = 128 *
2249 							pipe_cfg->bayer_ds_out_res.width /
2250 							input_config->effective_res.width / 2;
2251 			bq_res->ispfilter_bq.height_bq = 128 *
2252 							 pipe_cfg->bayer_ds_out_res.width /
2253 							 input_config->effective_res.width / 2;
2254 
2255 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2256 				/* No additional left padding for ISYS2401 */
2257 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2258 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2259 			} else {
2260 				/*
2261 				 * For the w_padding and gdc_shift_bq cacluation
2262 				 * Please see the BZ 1786 and 4358 for more info.
2263 				 * Just test that this formula can work now,
2264 				 * but we still have no offical formula.
2265 				 *
2266 				 * w_padding = ceiling(gdc_effective_input
2267 				 *             /128, 1) * 128 - effective_width
2268 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2269 				 */
2270 				gdc_effective_input =
2271 				    input_config->effective_res.width +
2272 				    pipe_cfg->dvs_envelope.width;
2273 				w_padding = roundup(gdc_effective_input, 128) -
2274 					    input_config->effective_res.width;
2275 				w_padding = w_padding *
2276 					    pipe_cfg->bayer_ds_out_res.width /
2277 					    input_config->effective_res.width + 1;
2278 				w_padding = roundup(w_padding / 2, 1);
2279 
2280 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2281 								+ w_padding;
2282 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2283 			}
2284 		} else {
2285 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2286 
2287 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2288 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2289 
2290 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2291 				/* No additional left padding for ISYS2401 */
2292 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2293 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2294 			} else {
2295 				w_padding =
2296 				    roundup(input_config->effective_res.width, 128) -
2297 				    input_config->effective_res.width;
2298 				if (w_padding < 12)
2299 					w_padding = 12;
2300 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2301 								((w_padding - 12) *
2302 								 pipe_cfg->bayer_ds_out_res.width /
2303 								 input_config->effective_res.width + 1) / 2;
2304 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2305 			}
2306 
2307 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2308 				pipe_cfg->output_info[0].res.width;
2309 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2310 				pipe_cfg->output_info[0].res.height;
2311 			dvs_w_max = rounddown(
2312 					pipe_cfg->output_info[0].res.width / 5,
2313 					ATOM_ISP_STEP_WIDTH);
2314 			dvs_h_max = rounddown(
2315 					pipe_cfg->output_info[0].res.height / 5,
2316 					ATOM_ISP_STEP_HEIGHT);
2317 			bq_res->envelope_bq.width_bq =
2318 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2319 			    bq_res->ispfilter_bq.width_bq;
2320 			bq_res->envelope_bq.height_bq =
2321 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2322 			    bq_res->ispfilter_bq.height_bq;
2323 		}
2324 	}
2325 
2326 	dev_dbg(asd->isp->dev,
2327 		"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",
2328 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2329 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2330 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2331 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2332 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2333 
2334 	return 0;
2335 }
2336 
atomisp_set_dis_coefs(struct atomisp_sub_device * asd,struct atomisp_dis_coefficients * coefs)2337 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2338 			  struct atomisp_dis_coefficients *coefs)
2339 {
2340 	return atomisp_css_set_dis_coefs(asd, coefs);
2341 }
2342 
2343 /*
2344  * Function to set/get 3A stat from isp
2345  */
atomisp_3a_stat(struct atomisp_sub_device * asd,int flag,struct atomisp_3a_statistics * config)2346 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2347 		    struct atomisp_3a_statistics *config)
2348 {
2349 	struct atomisp_device *isp = asd->isp;
2350 	struct atomisp_s3a_buf *s3a_buf;
2351 	unsigned long ret;
2352 
2353 	if (flag != 0)
2354 		return -EINVAL;
2355 
2356 	/* sanity check to avoid writing into unallocated memory. */
2357 	if (asd->params.s3a_output_bytes == 0)
2358 		return -EINVAL;
2359 
2360 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2361 		/* If the grid info in the argument differs from the current
2362 		   grid info, we tell the caller to reset the grid size and
2363 		   try again. */
2364 		return -EAGAIN;
2365 	}
2366 
2367 	if (list_empty(&asd->s3a_stats_ready)) {
2368 		dev_err(isp->dev, "3a statistics is not valid.\n");
2369 		return -EAGAIN;
2370 	}
2371 
2372 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2373 			     struct atomisp_s3a_buf, list);
2374 	if (s3a_buf->s3a_map)
2375 		ia_css_translate_3a_statistics(
2376 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2377 	else
2378 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2379 					 s3a_buf->s3a_data);
2380 
2381 	config->exp_id = s3a_buf->s3a_data->exp_id;
2382 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2383 
2384 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2385 			   asd->params.s3a_output_bytes);
2386 	if (ret) {
2387 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2388 			ret);
2389 		return -EFAULT;
2390 	}
2391 
2392 	/* Move to free buffer list */
2393 	list_del_init(&s3a_buf->list);
2394 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2395 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2396 		__func__,
2397 		config->exp_id, config->isp_config_id);
2398 	return 0;
2399 }
2400 
atomisp_get_metadata(struct atomisp_sub_device * asd,int flag,struct atomisp_metadata * md)2401 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2402 			 struct atomisp_metadata *md)
2403 {
2404 	struct atomisp_device *isp = asd->isp;
2405 	struct ia_css_stream_info *stream_info;
2406 	struct camera_mipi_info *mipi_info;
2407 	struct atomisp_metadata_buf *md_buf;
2408 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2409 	int ret, i;
2410 
2411 	if (flag != 0)
2412 		return -EINVAL;
2413 
2414 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2415 		      stream_info;
2416 
2417 	/* We always return the resolution and stride even if there is
2418 	 * no valid metadata. This allows the caller to get the information
2419 	 * needed to allocate user-space buffers. */
2420 	md->width  = stream_info->metadata_info.resolution.width;
2421 	md->height = stream_info->metadata_info.resolution.height;
2422 	md->stride = stream_info->metadata_info.stride;
2423 
2424 	/* sanity check to avoid writing into unallocated memory.
2425 	 * This does not return an error because it is a valid way
2426 	 * for applications to detect that metadata is not enabled. */
2427 	if (md->width == 0 || md->height == 0 || !md->data)
2428 		return 0;
2429 
2430 	/* This is done in the atomisp_buf_done() */
2431 	if (list_empty(&asd->metadata_ready[md_type])) {
2432 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2433 		return -EAGAIN;
2434 	}
2435 
2436 	mipi_info = atomisp_to_sensor_mipi_info(
2437 			isp->inputs[asd->input_curr].camera);
2438 	if (!mipi_info)
2439 		return -EINVAL;
2440 
2441 	if (mipi_info->metadata_effective_width) {
2442 		for (i = 0; i < md->height; i++)
2443 			md->effective_width[i] =
2444 			    mipi_info->metadata_effective_width[i];
2445 	}
2446 
2447 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2448 			    struct atomisp_metadata_buf, list);
2449 	md->exp_id = md_buf->metadata->exp_id;
2450 	if (md_buf->md_vptr) {
2451 		ret = copy_to_user(md->data,
2452 				   md_buf->md_vptr,
2453 				   stream_info->metadata_info.size);
2454 	} else {
2455 		hmm_load(md_buf->metadata->address,
2456 			 asd->params.metadata_user[md_type],
2457 			 stream_info->metadata_info.size);
2458 
2459 		ret = copy_to_user(md->data,
2460 				   asd->params.metadata_user[md_type],
2461 				   stream_info->metadata_info.size);
2462 	}
2463 	if (ret) {
2464 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2465 			ret);
2466 		return -EFAULT;
2467 	}
2468 
2469 	list_del_init(&md_buf->list);
2470 	list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2471 
2472 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2473 		__func__, md_type, md->exp_id);
2474 	return 0;
2475 }
2476 
atomisp_get_metadata_by_type(struct atomisp_sub_device * asd,int flag,struct atomisp_metadata_with_type * md)2477 int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
2478 				 struct atomisp_metadata_with_type *md)
2479 {
2480 	struct atomisp_device *isp = asd->isp;
2481 	struct ia_css_stream_info *stream_info;
2482 	struct camera_mipi_info *mipi_info;
2483 	struct atomisp_metadata_buf *md_buf;
2484 	enum atomisp_metadata_type md_type;
2485 	int ret, i;
2486 
2487 	if (flag != 0)
2488 		return -EINVAL;
2489 
2490 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2491 		      stream_info;
2492 
2493 	/* We always return the resolution and stride even if there is
2494 	 * no valid metadata. This allows the caller to get the information
2495 	 * needed to allocate user-space buffers. */
2496 	md->width  = stream_info->metadata_info.resolution.width;
2497 	md->height = stream_info->metadata_info.resolution.height;
2498 	md->stride = stream_info->metadata_info.stride;
2499 
2500 	/* sanity check to avoid writing into unallocated memory.
2501 	 * This does not return an error because it is a valid way
2502 	 * for applications to detect that metadata is not enabled. */
2503 	if (md->width == 0 || md->height == 0 || !md->data)
2504 		return 0;
2505 
2506 	md_type = md->type;
2507 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2508 		return -EINVAL;
2509 
2510 	/* This is done in the atomisp_buf_done() */
2511 	if (list_empty(&asd->metadata_ready[md_type])) {
2512 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2513 		return -EAGAIN;
2514 	}
2515 
2516 	mipi_info = atomisp_to_sensor_mipi_info(
2517 			isp->inputs[asd->input_curr].camera);
2518 	if (!mipi_info)
2519 		return -EINVAL;
2520 
2521 	if (mipi_info->metadata_effective_width) {
2522 		for (i = 0; i < md->height; i++)
2523 			md->effective_width[i] =
2524 			    mipi_info->metadata_effective_width[i];
2525 	}
2526 
2527 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2528 			    struct atomisp_metadata_buf, list);
2529 	md->exp_id = md_buf->metadata->exp_id;
2530 	if (md_buf->md_vptr) {
2531 		ret = copy_to_user(md->data,
2532 				   md_buf->md_vptr,
2533 				   stream_info->metadata_info.size);
2534 	} else {
2535 		hmm_load(md_buf->metadata->address,
2536 			 asd->params.metadata_user[md_type],
2537 			 stream_info->metadata_info.size);
2538 
2539 		ret = copy_to_user(md->data,
2540 				   asd->params.metadata_user[md_type],
2541 				   stream_info->metadata_info.size);
2542 	}
2543 	if (ret) {
2544 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2545 			ret);
2546 		return -EFAULT;
2547 	} else {
2548 		list_del_init(&md_buf->list);
2549 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2550 	}
2551 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2552 		__func__, md_type, md->exp_id);
2553 	return 0;
2554 }
2555 
2556 /*
2557  * Function to calculate real zoom region for every pipe
2558  */
atomisp_calculate_real_zoom_region(struct atomisp_sub_device * asd,struct ia_css_dz_config * dz_config,enum ia_css_pipe_id css_pipe_id)2559 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2560 				       struct ia_css_dz_config   *dz_config,
2561 				       enum ia_css_pipe_id css_pipe_id)
2562 
2563 {
2564 	struct atomisp_stream_env *stream_env =
2565 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2566 	struct atomisp_resolution  eff_res, out_res;
2567 	int w_offset, h_offset;
2568 
2569 	memset(&eff_res, 0, sizeof(eff_res));
2570 	memset(&out_res, 0, sizeof(out_res));
2571 
2572 	if (dz_config->dx || dz_config->dy)
2573 		return 0;
2574 
2575 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2576 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2577 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2578 			, __func__);
2579 		return -EINVAL;
2580 	}
2581 
2582 	eff_res.width =
2583 	    stream_env->stream_config.input_config.effective_res.width;
2584 	eff_res.height =
2585 	    stream_env->stream_config.input_config.effective_res.height;
2586 	if (eff_res.width == 0 || eff_res.height == 0) {
2587 		dev_err(asd->isp->dev, "%s err effective resolution"
2588 			, __func__);
2589 		return -EINVAL;
2590 	}
2591 
2592 	if (dz_config->zoom_region.resolution.width
2593 	    == asd->sensor_array_res.width
2594 	    || dz_config->zoom_region.resolution.height
2595 	    == asd->sensor_array_res.height) {
2596 		/*no need crop region*/
2597 		dz_config->zoom_region.origin.x = 0;
2598 		dz_config->zoom_region.origin.y = 0;
2599 		dz_config->zoom_region.resolution.width = eff_res.width;
2600 		dz_config->zoom_region.resolution.height = eff_res.height;
2601 		return 0;
2602 	}
2603 
2604 	/* FIXME:
2605 	 * This is not the correct implementation with Google's definition, due
2606 	 * to firmware limitation.
2607 	 * map real crop region base on above calculating base max crop region.
2608 	 */
2609 
2610 	if (!IS_ISP2401) {
2611 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
2612 						  * eff_res.width
2613 						  / asd->sensor_array_res.width;
2614 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
2615 						  * eff_res.height
2616 						  / asd->sensor_array_res.height;
2617 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
2618 							  * eff_res.width
2619 							  / asd->sensor_array_res.width;
2620 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
2621 							  * eff_res.height
2622 							  / asd->sensor_array_res.height;
2623 		/*
2624 		 * Set same ratio of crop region resolution and current pipe output
2625 		 * resolution
2626 		 */
2627 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
2628 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
2629 		if (out_res.width == 0 || out_res.height == 0) {
2630 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
2631 				, __func__);
2632 			return -EINVAL;
2633 		}
2634 	} else {
2635 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
2636 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
2637 		if (out_res.width == 0 || out_res.height == 0) {
2638 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
2639 				, __func__);
2640 			return -EINVAL;
2641 		}
2642 
2643 		if (asd->sensor_array_res.width * out_res.height
2644 		    < out_res.width * asd->sensor_array_res.height) {
2645 			h_offset = asd->sensor_array_res.height
2646 				   - asd->sensor_array_res.width
2647 				   * out_res.height / out_res.width;
2648 			h_offset = h_offset / 2;
2649 			if (dz_config->zoom_region.origin.y < h_offset)
2650 				dz_config->zoom_region.origin.y = 0;
2651 			else
2652 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
2653 			w_offset = 0;
2654 		} else {
2655 			w_offset = asd->sensor_array_res.width
2656 				   - asd->sensor_array_res.height
2657 				   * out_res.width / out_res.height;
2658 			w_offset = w_offset / 2;
2659 			if (dz_config->zoom_region.origin.x < w_offset)
2660 				dz_config->zoom_region.origin.x = 0;
2661 			else
2662 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
2663 			h_offset = 0;
2664 		}
2665 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
2666 						  * eff_res.width
2667 						  / (asd->sensor_array_res.width - 2 * w_offset);
2668 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
2669 						  * eff_res.height
2670 						  / (asd->sensor_array_res.height - 2 * h_offset);
2671 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
2672 						  * eff_res.width
2673 						  / (asd->sensor_array_res.width - 2 * w_offset);
2674 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
2675 						  * eff_res.height
2676 						  / (asd->sensor_array_res.height - 2 * h_offset);
2677 	}
2678 
2679 	if (out_res.width * dz_config->zoom_region.resolution.height
2680 	    > dz_config->zoom_region.resolution.width * out_res.height) {
2681 		dz_config->zoom_region.resolution.height =
2682 		    dz_config->zoom_region.resolution.width
2683 		    * out_res.height / out_res.width;
2684 	} else {
2685 		dz_config->zoom_region.resolution.width =
2686 		    dz_config->zoom_region.resolution.height
2687 		    * out_res.width / out_res.height;
2688 	}
2689 	dev_dbg(asd->isp->dev,
2690 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
2691 		__func__, dz_config->zoom_region.origin.x,
2692 		dz_config->zoom_region.origin.y,
2693 		dz_config->zoom_region.resolution.width,
2694 		dz_config->zoom_region.resolution.height,
2695 		eff_res.width, eff_res.height,
2696 		asd->sensor_array_res.width,
2697 		asd->sensor_array_res.height,
2698 		out_res.width, out_res.height);
2699 
2700 	if ((dz_config->zoom_region.origin.x +
2701 	     dz_config->zoom_region.resolution.width
2702 	     > eff_res.width) ||
2703 	    (dz_config->zoom_region.origin.y +
2704 	     dz_config->zoom_region.resolution.height
2705 	     > eff_res.height))
2706 		return -EINVAL;
2707 
2708 	return 0;
2709 }
2710 
2711 /*
2712  * Function to check the zoom region whether is effective
2713  */
atomisp_check_zoom_region(struct atomisp_sub_device * asd,struct ia_css_dz_config * dz_config)2714 static bool atomisp_check_zoom_region(
2715     struct atomisp_sub_device *asd,
2716     struct ia_css_dz_config *dz_config)
2717 {
2718 	struct atomisp_resolution  config;
2719 	bool flag = false;
2720 	unsigned int w, h;
2721 
2722 	memset(&config, 0, sizeof(struct atomisp_resolution));
2723 
2724 	if (dz_config->dx && dz_config->dy)
2725 		return true;
2726 
2727 	config.width = asd->sensor_array_res.width;
2728 	config.height = asd->sensor_array_res.height;
2729 	w = dz_config->zoom_region.origin.x +
2730 	    dz_config->zoom_region.resolution.width;
2731 	h = dz_config->zoom_region.origin.y +
2732 	    dz_config->zoom_region.resolution.height;
2733 
2734 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
2735 		flag = true;
2736 	else
2737 		/* setting error zoom region */
2738 		dev_err(asd->isp->dev,
2739 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
2740 			__func__, dz_config->zoom_region.origin.x,
2741 			dz_config->zoom_region.origin.y,
2742 			dz_config->zoom_region.resolution.width,
2743 			dz_config->zoom_region.resolution.height,
2744 			config.width, config.height);
2745 
2746 	return flag;
2747 }
2748 
atomisp_apply_css_parameters(struct atomisp_sub_device * asd,struct atomisp_css_params * css_param)2749 void atomisp_apply_css_parameters(
2750     struct atomisp_sub_device *asd,
2751     struct atomisp_css_params *css_param)
2752 {
2753 	if (css_param->update_flag.wb_config)
2754 		asd->params.config.wb_config = &css_param->wb_config;
2755 
2756 	if (css_param->update_flag.ob_config)
2757 		asd->params.config.ob_config = &css_param->ob_config;
2758 
2759 	if (css_param->update_flag.dp_config)
2760 		asd->params.config.dp_config = &css_param->dp_config;
2761 
2762 	if (css_param->update_flag.nr_config)
2763 		asd->params.config.nr_config = &css_param->nr_config;
2764 
2765 	if (css_param->update_flag.ee_config)
2766 		asd->params.config.ee_config = &css_param->ee_config;
2767 
2768 	if (css_param->update_flag.tnr_config)
2769 		asd->params.config.tnr_config = &css_param->tnr_config;
2770 
2771 	if (css_param->update_flag.a3a_config)
2772 		asd->params.config.s3a_config = &css_param->s3a_config;
2773 
2774 	if (css_param->update_flag.ctc_config)
2775 		asd->params.config.ctc_config = &css_param->ctc_config;
2776 
2777 	if (css_param->update_flag.cnr_config)
2778 		asd->params.config.cnr_config = &css_param->cnr_config;
2779 
2780 	if (css_param->update_flag.ecd_config)
2781 		asd->params.config.ecd_config = &css_param->ecd_config;
2782 
2783 	if (css_param->update_flag.ynr_config)
2784 		asd->params.config.ynr_config = &css_param->ynr_config;
2785 
2786 	if (css_param->update_flag.fc_config)
2787 		asd->params.config.fc_config = &css_param->fc_config;
2788 
2789 	if (css_param->update_flag.macc_config)
2790 		asd->params.config.macc_config = &css_param->macc_config;
2791 
2792 	if (css_param->update_flag.aa_config)
2793 		asd->params.config.aa_config = &css_param->aa_config;
2794 
2795 	if (css_param->update_flag.anr_config)
2796 		asd->params.config.anr_config = &css_param->anr_config;
2797 
2798 	if (css_param->update_flag.xnr_config)
2799 		asd->params.config.xnr_config = &css_param->xnr_config;
2800 
2801 	if (css_param->update_flag.yuv2rgb_cc_config)
2802 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
2803 
2804 	if (css_param->update_flag.rgb2yuv_cc_config)
2805 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
2806 
2807 	if (css_param->update_flag.macc_table)
2808 		asd->params.config.macc_table = &css_param->macc_table;
2809 
2810 	if (css_param->update_flag.xnr_table)
2811 		asd->params.config.xnr_table = &css_param->xnr_table;
2812 
2813 	if (css_param->update_flag.r_gamma_table)
2814 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
2815 
2816 	if (css_param->update_flag.g_gamma_table)
2817 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
2818 
2819 	if (css_param->update_flag.b_gamma_table)
2820 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
2821 
2822 	if (css_param->update_flag.anr_thres)
2823 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
2824 
2825 	if (css_param->update_flag.shading_table)
2826 		asd->params.config.shading_table = css_param->shading_table;
2827 
2828 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
2829 		asd->params.config.morph_table = css_param->morph_table;
2830 
2831 	if (css_param->update_flag.dvs2_coefs) {
2832 		struct ia_css_dvs_grid_info *dvs_grid_info =
2833 		    atomisp_css_get_dvs_grid_info(
2834 			&asd->params.curr_grid_info);
2835 
2836 		if (dvs_grid_info && dvs_grid_info->enable)
2837 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
2838 	}
2839 
2840 	if (css_param->update_flag.dvs_6axis_config)
2841 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
2842 
2843 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
2844 	/*
2845 	 * These configurations are on used by ISP1.x, not for ISP2.x,
2846 	 * so do not handle them. see comments of ia_css_isp_config.
2847 	 * 1 cc_config
2848 	 * 2 ce_config
2849 	 * 3 de_config
2850 	 * 4 gc_config
2851 	 * 5 gamma_table
2852 	 * 6 ctc_table
2853 	 * 7 dvs_coefs
2854 	 */
2855 }
2856 
copy_from_compatible(void * to,const void * from,unsigned long n,bool from_user)2857 static unsigned int long copy_from_compatible(void *to, const void *from,
2858 	unsigned long n, bool from_user)
2859 {
2860 	if (from_user)
2861 		return copy_from_user(to, (void __user *)from, n);
2862 	else
2863 		memcpy(to, from, n);
2864 	return 0;
2865 }
2866 
atomisp_cp_general_isp_parameters(struct atomisp_sub_device * asd,struct atomisp_parameters * arg,struct atomisp_css_params * css_param,bool from_user)2867 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
2868 				      struct atomisp_parameters *arg,
2869 				      struct atomisp_css_params *css_param,
2870 				      bool from_user)
2871 {
2872 	struct atomisp_parameters *cur_config = &css_param->update_flag;
2873 
2874 	if (!arg || !asd || !css_param)
2875 		return -EINVAL;
2876 
2877 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
2878 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
2879 					 sizeof(struct ia_css_wb_config),
2880 					 from_user))
2881 			return -EFAULT;
2882 		css_param->update_flag.wb_config =
2883 		    (struct atomisp_wb_config *)&css_param->wb_config;
2884 	}
2885 
2886 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
2887 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
2888 					 sizeof(struct ia_css_ob_config),
2889 					 from_user))
2890 			return -EFAULT;
2891 		css_param->update_flag.ob_config =
2892 		    (struct atomisp_ob_config *)&css_param->ob_config;
2893 	}
2894 
2895 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
2896 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
2897 					 sizeof(struct ia_css_dp_config),
2898 					 from_user))
2899 			return -EFAULT;
2900 		css_param->update_flag.dp_config =
2901 		    (struct atomisp_dp_config *)&css_param->dp_config;
2902 	}
2903 
2904 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
2905 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
2906 			if (copy_from_compatible(&css_param->dz_config,
2907 						 arg->dz_config,
2908 						 sizeof(struct ia_css_dz_config),
2909 						 from_user))
2910 				return -EFAULT;
2911 			if (!atomisp_check_zoom_region(asd,
2912 						       &css_param->dz_config)) {
2913 				dev_err(asd->isp->dev, "crop region error!");
2914 				return -EINVAL;
2915 			}
2916 			css_param->update_flag.dz_config =
2917 			    (struct atomisp_dz_config *)
2918 			    &css_param->dz_config;
2919 		}
2920 	}
2921 
2922 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
2923 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
2924 					 sizeof(struct ia_css_nr_config),
2925 					 from_user))
2926 			return -EFAULT;
2927 		css_param->update_flag.nr_config =
2928 		    (struct atomisp_nr_config *)&css_param->nr_config;
2929 	}
2930 
2931 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
2932 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
2933 					 sizeof(struct ia_css_ee_config),
2934 					 from_user))
2935 			return -EFAULT;
2936 		css_param->update_flag.ee_config =
2937 		    (struct atomisp_ee_config *)&css_param->ee_config;
2938 	}
2939 
2940 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
2941 		if (copy_from_compatible(&css_param->tnr_config,
2942 					 arg->tnr_config,
2943 					 sizeof(struct ia_css_tnr_config),
2944 					 from_user))
2945 			return -EFAULT;
2946 		css_param->update_flag.tnr_config =
2947 		    (struct atomisp_tnr_config *)
2948 		    &css_param->tnr_config;
2949 	}
2950 
2951 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
2952 		if (copy_from_compatible(&css_param->s3a_config,
2953 					 arg->a3a_config,
2954 					 sizeof(struct ia_css_3a_config),
2955 					 from_user))
2956 			return -EFAULT;
2957 		css_param->update_flag.a3a_config =
2958 		    (struct atomisp_3a_config *)&css_param->s3a_config;
2959 	}
2960 
2961 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
2962 		if (copy_from_compatible(&css_param->ctc_config,
2963 					 arg->ctc_config,
2964 					 sizeof(struct ia_css_ctc_config),
2965 					 from_user))
2966 			return -EFAULT;
2967 		css_param->update_flag.ctc_config =
2968 		    (struct atomisp_ctc_config *)
2969 		    &css_param->ctc_config;
2970 	}
2971 
2972 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
2973 		if (copy_from_compatible(&css_param->cnr_config,
2974 					 arg->cnr_config,
2975 					 sizeof(struct ia_css_cnr_config),
2976 					 from_user))
2977 			return -EFAULT;
2978 		css_param->update_flag.cnr_config =
2979 		    (struct atomisp_cnr_config *)
2980 		    &css_param->cnr_config;
2981 	}
2982 
2983 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
2984 		if (copy_from_compatible(&css_param->ecd_config,
2985 					 arg->ecd_config,
2986 					 sizeof(struct ia_css_ecd_config),
2987 					 from_user))
2988 			return -EFAULT;
2989 		css_param->update_flag.ecd_config =
2990 		    (struct atomisp_ecd_config *)
2991 		    &css_param->ecd_config;
2992 	}
2993 
2994 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
2995 		if (copy_from_compatible(&css_param->ynr_config,
2996 					 arg->ynr_config,
2997 					 sizeof(struct ia_css_ynr_config),
2998 					 from_user))
2999 			return -EFAULT;
3000 		css_param->update_flag.ynr_config =
3001 		    (struct atomisp_ynr_config *)
3002 		    &css_param->ynr_config;
3003 	}
3004 
3005 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3006 		if (copy_from_compatible(&css_param->fc_config,
3007 					 arg->fc_config,
3008 					 sizeof(struct ia_css_fc_config),
3009 					 from_user))
3010 			return -EFAULT;
3011 		css_param->update_flag.fc_config =
3012 		    (struct atomisp_fc_config *)&css_param->fc_config;
3013 	}
3014 
3015 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3016 		if (copy_from_compatible(&css_param->macc_config,
3017 					 arg->macc_config,
3018 					 sizeof(struct ia_css_macc_config),
3019 					 from_user))
3020 			return -EFAULT;
3021 		css_param->update_flag.macc_config =
3022 		    (struct atomisp_macc_config *)
3023 		    &css_param->macc_config;
3024 	}
3025 
3026 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3027 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3028 					 sizeof(struct ia_css_aa_config),
3029 					 from_user))
3030 			return -EFAULT;
3031 		css_param->update_flag.aa_config =
3032 		    (struct atomisp_aa_config *)&css_param->aa_config;
3033 	}
3034 
3035 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3036 		if (copy_from_compatible(&css_param->anr_config,
3037 					 arg->anr_config,
3038 					 sizeof(struct ia_css_anr_config),
3039 					 from_user))
3040 			return -EFAULT;
3041 		css_param->update_flag.anr_config =
3042 		    (struct atomisp_anr_config *)
3043 		    &css_param->anr_config;
3044 	}
3045 
3046 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3047 		if (copy_from_compatible(&css_param->xnr_config,
3048 					 arg->xnr_config,
3049 					 sizeof(struct ia_css_xnr_config),
3050 					 from_user))
3051 			return -EFAULT;
3052 		css_param->update_flag.xnr_config =
3053 		    (struct atomisp_xnr_config *)
3054 		    &css_param->xnr_config;
3055 	}
3056 
3057 	if (arg->yuv2rgb_cc_config &&
3058 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3059 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3060 					 arg->yuv2rgb_cc_config,
3061 					 sizeof(struct ia_css_cc_config),
3062 					 from_user))
3063 			return -EFAULT;
3064 		css_param->update_flag.yuv2rgb_cc_config =
3065 		    (struct atomisp_cc_config *)
3066 		    &css_param->yuv2rgb_cc_config;
3067 	}
3068 
3069 	if (arg->rgb2yuv_cc_config &&
3070 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3071 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3072 					 arg->rgb2yuv_cc_config,
3073 					 sizeof(struct ia_css_cc_config),
3074 					 from_user))
3075 			return -EFAULT;
3076 		css_param->update_flag.rgb2yuv_cc_config =
3077 		    (struct atomisp_cc_config *)
3078 		    &css_param->rgb2yuv_cc_config;
3079 	}
3080 
3081 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3082 		if (copy_from_compatible(&css_param->macc_table,
3083 					 arg->macc_table,
3084 					 sizeof(struct ia_css_macc_table),
3085 					 from_user))
3086 			return -EFAULT;
3087 		css_param->update_flag.macc_table =
3088 		    (struct atomisp_macc_table *)
3089 		    &css_param->macc_table;
3090 	}
3091 
3092 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3093 		if (copy_from_compatible(&css_param->xnr_table,
3094 					 arg->xnr_table,
3095 					 sizeof(struct ia_css_xnr_table),
3096 					 from_user))
3097 			return -EFAULT;
3098 		css_param->update_flag.xnr_table =
3099 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3100 	}
3101 
3102 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3103 		if (copy_from_compatible(&css_param->r_gamma_table,
3104 					 arg->r_gamma_table,
3105 					 sizeof(struct ia_css_rgb_gamma_table),
3106 					 from_user))
3107 			return -EFAULT;
3108 		css_param->update_flag.r_gamma_table =
3109 		    (struct atomisp_rgb_gamma_table *)
3110 		    &css_param->r_gamma_table;
3111 	}
3112 
3113 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3114 		if (copy_from_compatible(&css_param->g_gamma_table,
3115 					 arg->g_gamma_table,
3116 					 sizeof(struct ia_css_rgb_gamma_table),
3117 					 from_user))
3118 			return -EFAULT;
3119 		css_param->update_flag.g_gamma_table =
3120 		    (struct atomisp_rgb_gamma_table *)
3121 		    &css_param->g_gamma_table;
3122 	}
3123 
3124 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3125 		if (copy_from_compatible(&css_param->b_gamma_table,
3126 					 arg->b_gamma_table,
3127 					 sizeof(struct ia_css_rgb_gamma_table),
3128 					 from_user))
3129 			return -EFAULT;
3130 		css_param->update_flag.b_gamma_table =
3131 		    (struct atomisp_rgb_gamma_table *)
3132 		    &css_param->b_gamma_table;
3133 	}
3134 
3135 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3136 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3137 					 sizeof(struct ia_css_anr_thres),
3138 					 from_user))
3139 			return -EFAULT;
3140 		css_param->update_flag.anr_thres =
3141 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3142 	}
3143 
3144 	if (from_user)
3145 		css_param->isp_config_id = arg->isp_config_id;
3146 	/*
3147 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3148 	 * so do not handle them. see comments of ia_css_isp_config.
3149 	 * 1 cc_config
3150 	 * 2 ce_config
3151 	 * 3 de_config
3152 	 * 4 gc_config
3153 	 * 5 gamma_table
3154 	 * 6 ctc_table
3155 	 * 7 dvs_coefs
3156 	 */
3157 	return 0;
3158 }
3159 
atomisp_cp_lsc_table(struct atomisp_sub_device * asd,struct atomisp_shading_table * source_st,struct atomisp_css_params * css_param,bool from_user)3160 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3161 			 struct atomisp_shading_table *source_st,
3162 			 struct atomisp_css_params *css_param,
3163 			 bool from_user)
3164 {
3165 	unsigned int i;
3166 	unsigned int len_table;
3167 	struct ia_css_shading_table *shading_table;
3168 	struct ia_css_shading_table *old_table;
3169 	struct atomisp_shading_table *st, dest_st;
3170 
3171 	if (!source_st)
3172 		return 0;
3173 
3174 	if (!css_param)
3175 		return -EINVAL;
3176 
3177 	if (!from_user && css_param->update_flag.shading_table)
3178 		return 0;
3179 
3180 	if (IS_ISP2401) {
3181 		if (copy_from_compatible(&dest_st, source_st,
3182 					sizeof(struct atomisp_shading_table),
3183 					from_user)) {
3184 			dev_err(asd->isp->dev, "copy shading table failed!");
3185 			return -EFAULT;
3186 		}
3187 		st = &dest_st;
3188 	} else {
3189 		st = source_st;
3190 	}
3191 
3192 	old_table = css_param->shading_table;
3193 
3194 	/* user config is to disable the shading table. */
3195 	if (!st->enable) {
3196 		/* Generate a minimum table with enable = 0. */
3197 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3198 		if (!shading_table)
3199 			return -ENOMEM;
3200 		shading_table->enable = 0;
3201 		goto set_lsc;
3202 	}
3203 
3204 	/* Setting a new table. Validate first - all tables must be set */
3205 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3206 		if (!st->data[i]) {
3207 			dev_err(asd->isp->dev, "shading table validate failed");
3208 			return -EINVAL;
3209 		}
3210 	}
3211 
3212 	/* Shading table size per color */
3213 	if (st->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3214 	    st->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3215 		dev_err(asd->isp->dev, "shading table w/h validate failed!");
3216 		return -EINVAL;
3217 	}
3218 
3219 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3220 	if (!shading_table)
3221 		return -ENOMEM;
3222 
3223 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3224 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3225 		if (copy_from_compatible(shading_table->data[i],
3226 					 st->data[i], len_table, from_user)) {
3227 			atomisp_css_shading_table_free(shading_table);
3228 			return -EFAULT;
3229 		}
3230 	}
3231 	shading_table->sensor_width = st->sensor_width;
3232 	shading_table->sensor_height = st->sensor_height;
3233 	shading_table->fraction_bits = st->fraction_bits;
3234 	shading_table->enable = st->enable;
3235 
3236 	/* No need to update shading table if it is the same */
3237 	if (old_table &&
3238 	    old_table->sensor_width == shading_table->sensor_width &&
3239 	    old_table->sensor_height == shading_table->sensor_height &&
3240 	    old_table->width == shading_table->width &&
3241 	    old_table->height == shading_table->height &&
3242 	    old_table->fraction_bits == shading_table->fraction_bits &&
3243 	    old_table->enable == shading_table->enable) {
3244 		bool data_is_same = true;
3245 
3246 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3247 			if (memcmp(shading_table->data[i], old_table->data[i],
3248 				   len_table) != 0) {
3249 				data_is_same = false;
3250 				break;
3251 			}
3252 		}
3253 
3254 		if (data_is_same) {
3255 			atomisp_css_shading_table_free(shading_table);
3256 			return 0;
3257 		}
3258 	}
3259 
3260 set_lsc:
3261 	/* set LSC to CSS */
3262 	css_param->shading_table = shading_table;
3263 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3264 	asd->params.sc_en = shading_table;
3265 
3266 	if (old_table)
3267 		atomisp_css_shading_table_free(old_table);
3268 
3269 	return 0;
3270 }
3271 
atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device * asd,struct ia_css_dvs2_coefficients * coefs,struct atomisp_css_params * css_param,bool from_user)3272 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3273 			      struct ia_css_dvs2_coefficients *coefs,
3274 			      struct atomisp_css_params *css_param,
3275 			      bool from_user)
3276 {
3277 	struct ia_css_dvs_grid_info *cur =
3278 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3279 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3280 	struct ia_css_dvs2_coefficients dvs2_coefs;
3281 
3282 	if (!coefs || !cur)
3283 		return 0;
3284 
3285 	if (!from_user && css_param->update_flag.dvs2_coefs)
3286 		return 0;
3287 
3288 	if (!IS_ISP2401) {
3289 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3290 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3291 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3292 			/* If the grid info in the argument differs from the current
3293 			grid info, we tell the caller to reset the grid size and
3294 			try again. */
3295 			return -EAGAIN;
3296 		}
3297 
3298 		if (!coefs->hor_coefs.odd_real ||
3299 		    !coefs->hor_coefs.odd_imag ||
3300 		    !coefs->hor_coefs.even_real ||
3301 		    !coefs->hor_coefs.even_imag ||
3302 		    !coefs->ver_coefs.odd_real ||
3303 		    !coefs->ver_coefs.odd_imag ||
3304 		    !coefs->ver_coefs.even_real ||
3305 		    !coefs->ver_coefs.even_imag)
3306 			return -EINVAL;
3307 
3308 		if (!css_param->dvs2_coeff) {
3309 			/* DIS coefficients. */
3310 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3311 			if (!css_param->dvs2_coeff)
3312 				return -ENOMEM;
3313 		}
3314 
3315 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3316 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3317 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3318 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3319 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3320 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3321 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3322 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3323 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3324 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3325 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3326 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3327 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3328 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3329 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3330 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3331 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3332 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3333 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3334 			css_param->dvs2_coeff = NULL;
3335 			return -EFAULT;
3336 		}
3337 	} else {
3338 		if (copy_from_compatible(&dvs2_coefs, coefs,
3339 					sizeof(struct ia_css_dvs2_coefficients),
3340 					from_user)) {
3341 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3342 			return -EFAULT;
3343 		}
3344 
3345 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3346 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3347 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3348 			/* If the grid info in the argument differs from the current
3349 			grid info, we tell the caller to reset the grid size and
3350 			try again. */
3351 			return -EAGAIN;
3352 		}
3353 
3354 		if (!dvs2_coefs.hor_coefs.odd_real ||
3355 		    !dvs2_coefs.hor_coefs.odd_imag ||
3356 		    !dvs2_coefs.hor_coefs.even_real ||
3357 		    !dvs2_coefs.hor_coefs.even_imag ||
3358 		    !dvs2_coefs.ver_coefs.odd_real ||
3359 		    !dvs2_coefs.ver_coefs.odd_imag ||
3360 		    !dvs2_coefs.ver_coefs.even_real ||
3361 		    !dvs2_coefs.ver_coefs.even_imag)
3362 			return -EINVAL;
3363 
3364 		if (!css_param->dvs2_coeff) {
3365 			/* DIS coefficients. */
3366 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3367 			if (!css_param->dvs2_coeff)
3368 				return -ENOMEM;
3369 		}
3370 
3371 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3372 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3373 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3374 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3375 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3376 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3377 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3378 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3379 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3380 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3381 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3382 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3383 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3384 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3385 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3386 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3387 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3388 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3389 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3390 			css_param->dvs2_coeff = NULL;
3391 			return -EFAULT;
3392 		}
3393 	}
3394 
3395 	css_param->update_flag.dvs2_coefs =
3396 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3397 	return 0;
3398 }
3399 
atomisp_cp_dvs_6axis_config(struct atomisp_sub_device * asd,struct atomisp_dvs_6axis_config * source_6axis_config,struct atomisp_css_params * css_param,bool from_user)3400 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3401 				struct atomisp_dvs_6axis_config *source_6axis_config,
3402 				struct atomisp_css_params *css_param,
3403 				bool from_user)
3404 {
3405 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3406 	struct ia_css_dvs_6axis_config *old_6axis_config;
3407 	struct ia_css_stream *stream =
3408 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3409 	struct ia_css_dvs_grid_info *dvs_grid_info =
3410 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3411 	int ret = -EFAULT;
3412 
3413 	if (!stream) {
3414 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3415 		return -EINVAL;
3416 	}
3417 
3418 	if (!source_6axis_config || !dvs_grid_info)
3419 		return 0;
3420 
3421 	if (!dvs_grid_info->enable)
3422 		return 0;
3423 
3424 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3425 		return 0;
3426 
3427 	/* check whether need to reallocate for 6 axis config */
3428 	old_6axis_config = css_param->dvs_6axis;
3429 	dvs_6axis_config = old_6axis_config;
3430 
3431 	if (IS_ISP2401) {
3432 		struct ia_css_dvs_6axis_config t_6axis_config;
3433 
3434 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3435 					sizeof(struct atomisp_dvs_6axis_config),
3436 					from_user)) {
3437 			dev_err(asd->isp->dev, "copy morph table failed!");
3438 			return -EFAULT;
3439 		}
3440 
3441 		if (old_6axis_config &&
3442 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3443 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3444 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3445 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3446 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3447 			css_param->dvs_6axis = NULL;
3448 
3449 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3450 			if (!dvs_6axis_config)
3451 				return -ENOMEM;
3452 		} else if (!dvs_6axis_config) {
3453 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3454 			if (!dvs_6axis_config)
3455 				return -ENOMEM;
3456 		}
3457 
3458 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3459 
3460 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3461 					t_6axis_config.xcoords_y,
3462 					t_6axis_config.width_y *
3463 					t_6axis_config.height_y *
3464 					sizeof(*dvs_6axis_config->xcoords_y),
3465 					from_user))
3466 			goto error;
3467 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3468 					t_6axis_config.ycoords_y,
3469 					t_6axis_config.width_y *
3470 					t_6axis_config.height_y *
3471 					sizeof(*dvs_6axis_config->ycoords_y),
3472 					from_user))
3473 			goto error;
3474 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3475 					t_6axis_config.xcoords_uv,
3476 					t_6axis_config.width_uv *
3477 					t_6axis_config.height_uv *
3478 					sizeof(*dvs_6axis_config->xcoords_uv),
3479 					from_user))
3480 			goto error;
3481 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3482 					t_6axis_config.ycoords_uv,
3483 					t_6axis_config.width_uv *
3484 					t_6axis_config.height_uv *
3485 					sizeof(*dvs_6axis_config->ycoords_uv),
3486 					from_user))
3487 			goto error;
3488 	} else {
3489 		if (old_6axis_config &&
3490 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3491 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3492 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3493 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3494 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3495 			css_param->dvs_6axis = NULL;
3496 
3497 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3498 			if (!dvs_6axis_config)
3499 				return -ENOMEM;
3500 		} else if (!dvs_6axis_config) {
3501 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3502 			if (!dvs_6axis_config)
3503 				return -ENOMEM;
3504 		}
3505 
3506 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3507 
3508 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3509 					source_6axis_config->xcoords_y,
3510 					source_6axis_config->width_y *
3511 					source_6axis_config->height_y *
3512 					sizeof(*source_6axis_config->xcoords_y),
3513 					from_user))
3514 			goto error;
3515 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3516 					source_6axis_config->ycoords_y,
3517 					source_6axis_config->width_y *
3518 					source_6axis_config->height_y *
3519 					sizeof(*source_6axis_config->ycoords_y),
3520 					from_user))
3521 			goto error;
3522 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3523 					source_6axis_config->xcoords_uv,
3524 					source_6axis_config->width_uv *
3525 					source_6axis_config->height_uv *
3526 					sizeof(*source_6axis_config->xcoords_uv),
3527 					from_user))
3528 			goto error;
3529 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3530 					source_6axis_config->ycoords_uv,
3531 					source_6axis_config->width_uv *
3532 					source_6axis_config->height_uv *
3533 					sizeof(*source_6axis_config->ycoords_uv),
3534 					from_user))
3535 			goto error;
3536 	}
3537 	css_param->dvs_6axis = dvs_6axis_config;
3538 	css_param->update_flag.dvs_6axis_config =
3539 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3540 	return 0;
3541 
3542 error:
3543 	if (dvs_6axis_config)
3544 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3545 	return ret;
3546 }
3547 
atomisp_cp_morph_table(struct atomisp_sub_device * asd,struct atomisp_morph_table * source_morph_table,struct atomisp_css_params * css_param,bool from_user)3548 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3549 			   struct atomisp_morph_table *source_morph_table,
3550 			   struct atomisp_css_params *css_param,
3551 			   bool from_user)
3552 {
3553 	int ret = -EFAULT;
3554 	unsigned int i;
3555 	struct ia_css_morph_table *morph_table;
3556 	struct ia_css_morph_table *old_morph_table;
3557 
3558 	if (!source_morph_table)
3559 		return 0;
3560 
3561 	if (!from_user && css_param->update_flag.morph_table)
3562 		return 0;
3563 
3564 	old_morph_table = css_param->morph_table;
3565 
3566 	if (IS_ISP2401) {
3567 		struct ia_css_morph_table mtbl;
3568 
3569 		if (copy_from_compatible(&mtbl, source_morph_table,
3570 				sizeof(struct atomisp_morph_table),
3571 				from_user)) {
3572 			dev_err(asd->isp->dev, "copy morph table failed!");
3573 			return -EFAULT;
3574 		}
3575 
3576 		morph_table = atomisp_css_morph_table_allocate(
3577 				mtbl.width,
3578 				mtbl.height);
3579 		if (!morph_table)
3580 			return -ENOMEM;
3581 
3582 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
3583 			if (copy_from_compatible(morph_table->coordinates_x[i],
3584 						(__force void *)source_morph_table->coordinates_x[i],
3585 						mtbl.height * mtbl.width *
3586 						sizeof(*morph_table->coordinates_x[i]),
3587 						from_user))
3588 				goto error;
3589 
3590 			if (copy_from_compatible(morph_table->coordinates_y[i],
3591 						(__force void *)source_morph_table->coordinates_y[i],
3592 						mtbl.height * mtbl.width *
3593 						sizeof(*morph_table->coordinates_y[i]),
3594 						from_user))
3595 				goto error;
3596 		}
3597 	} else {
3598 		morph_table = atomisp_css_morph_table_allocate(
3599 				source_morph_table->width,
3600 				source_morph_table->height);
3601 		if (!morph_table)
3602 			return -ENOMEM;
3603 
3604 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
3605 			if (copy_from_compatible(morph_table->coordinates_x[i],
3606 						(__force void *)source_morph_table->coordinates_x[i],
3607 						source_morph_table->height * source_morph_table->width *
3608 						sizeof(*source_morph_table->coordinates_x[i]),
3609 						from_user))
3610 				goto error;
3611 
3612 			if (copy_from_compatible(morph_table->coordinates_y[i],
3613 						(__force void *)source_morph_table->coordinates_y[i],
3614 						source_morph_table->height * source_morph_table->width *
3615 						sizeof(*source_morph_table->coordinates_y[i]),
3616 						from_user))
3617 				goto error;
3618 		}
3619 	}
3620 
3621 	css_param->morph_table = morph_table;
3622 	if (old_morph_table)
3623 		atomisp_css_morph_table_free(old_morph_table);
3624 	css_param->update_flag.morph_table =
3625 	    (struct atomisp_morph_table *)morph_table;
3626 	return 0;
3627 
3628 error:
3629 	if (morph_table)
3630 		atomisp_css_morph_table_free(morph_table);
3631 	return ret;
3632 }
3633 
atomisp_makeup_css_parameters(struct atomisp_sub_device * asd,struct atomisp_parameters * arg,struct atomisp_css_params * css_param)3634 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
3635 				  struct atomisp_parameters *arg,
3636 				  struct atomisp_css_params *css_param)
3637 {
3638 	int ret;
3639 
3640 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
3641 	if (ret)
3642 		return ret;
3643 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
3644 	if (ret)
3645 		return ret;
3646 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
3647 	if (ret)
3648 		return ret;
3649 	ret = atomisp_css_cp_dvs2_coefs(asd,
3650 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
3651 					css_param, false);
3652 	if (ret)
3653 		return ret;
3654 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
3655 					  css_param, false);
3656 	return ret;
3657 }
3658 
atomisp_free_css_parameters(struct atomisp_css_params * css_param)3659 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
3660 {
3661 	if (css_param->dvs_6axis) {
3662 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3663 		css_param->dvs_6axis = NULL;
3664 	}
3665 	if (css_param->dvs2_coeff) {
3666 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3667 		css_param->dvs2_coeff = NULL;
3668 	}
3669 	if (css_param->shading_table) {
3670 		ia_css_shading_table_free(css_param->shading_table);
3671 		css_param->shading_table = NULL;
3672 	}
3673 	if (css_param->morph_table) {
3674 		ia_css_morph_table_free(css_param->morph_table);
3675 		css_param->morph_table = NULL;
3676 	}
3677 }
3678 
3679 /*
3680  * Check parameter queue list and buffer queue list to find out if matched items
3681  * and then set parameter to CSS and enqueue buffer to CSS.
3682  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
3683  * parameter, it will be enqueued into CSS as long as the per-frame setting
3684  * buffers before it get enqueued.
3685  */
atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe * pipe)3686 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
3687 {
3688 	struct atomisp_sub_device *asd = pipe->asd;
3689 	struct videobuf_buffer *vb = NULL, *vb_tmp;
3690 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
3691 	struct videobuf_vmalloc_memory *vm_mem = NULL;
3692 	unsigned long irqflags;
3693 	bool need_to_enqueue_buffer = false;
3694 
3695 	lockdep_assert_held(&asd->isp->mutex);
3696 
3697 	if (!asd) {
3698 		dev_err(pipe->isp->dev, "%s(): asd is NULL, device is %s\n",
3699 			__func__, pipe->vdev.name);
3700 		return;
3701 	}
3702 
3703 	if (atomisp_is_vf_pipe(pipe))
3704 		return;
3705 
3706 	/*
3707 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
3708 	 * is streamon.
3709 	 */
3710 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
3711 		return;
3712 
3713 	if (list_empty(&pipe->per_frame_params) ||
3714 	    list_empty(&pipe->buffers_waiting_for_param))
3715 		return;
3716 
3717 	list_for_each_entry_safe(vb, vb_tmp,
3718 				 &pipe->buffers_waiting_for_param, queue) {
3719 		if (pipe->frame_request_config_id[vb->i]) {
3720 			list_for_each_entry_safe(param, param_tmp,
3721 						 &pipe->per_frame_params, list) {
3722 				if (pipe->frame_request_config_id[vb->i] !=
3723 				    param->params.isp_config_id)
3724 					continue;
3725 
3726 				list_del(&param->list);
3727 				list_del(&vb->queue);
3728 				/*
3729 				 * clear the request config id as the buffer
3730 				 * will be handled and enqueued into CSS soon
3731 				 */
3732 				pipe->frame_request_config_id[vb->i] = 0;
3733 				pipe->frame_params[vb->i] = param;
3734 				vm_mem = vb->priv;
3735 				BUG_ON(!vm_mem);
3736 				break;
3737 			}
3738 
3739 			if (vm_mem) {
3740 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
3741 				list_add_tail(&vb->queue, &pipe->activeq);
3742 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
3743 				vm_mem = NULL;
3744 				need_to_enqueue_buffer = true;
3745 			} else {
3746 				/* The is the end, stop further loop */
3747 				break;
3748 			}
3749 		} else {
3750 			list_del(&vb->queue);
3751 			pipe->frame_params[vb->i] = NULL;
3752 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
3753 			list_add_tail(&vb->queue, &pipe->activeq);
3754 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
3755 			need_to_enqueue_buffer = true;
3756 		}
3757 	}
3758 
3759 	if (!need_to_enqueue_buffer)
3760 		return;
3761 
3762 	atomisp_qbuffers_to_css(asd);
3763 }
3764 
3765 /*
3766 * Function to configure ISP parameters
3767 */
atomisp_set_parameters(struct video_device * vdev,struct atomisp_parameters * arg)3768 int atomisp_set_parameters(struct video_device *vdev,
3769 			   struct atomisp_parameters *arg)
3770 {
3771 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
3772 	struct atomisp_sub_device *asd = pipe->asd;
3773 	struct atomisp_css_params_with_list *param = NULL;
3774 	struct atomisp_css_params *css_param = &asd->params.css_param;
3775 	int ret;
3776 
3777 	lockdep_assert_held(&asd->isp->mutex);
3778 
3779 	if (!asd) {
3780 		dev_err(pipe->isp->dev, "%s(): asd is NULL, device is %s\n",
3781 			__func__, vdev->name);
3782 		return -EINVAL;
3783 	}
3784 
3785 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
3786 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
3787 		return -EINVAL;
3788 	}
3789 
3790 	dev_dbg(asd->isp->dev,
3791 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
3792 		__func__, arg->per_frame_setting, asd->index,
3793 		arg->isp_config_id, vdev->name);
3794 
3795 	if (IS_ISP2401) {
3796 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
3797 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
3798 				__func__);
3799 			return -EINVAL;
3800 		}
3801 	}
3802 
3803 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
3804 		/*
3805 		 * Per-frame setting enabled, we allocate a new parameter
3806 		 * buffer to cache the parameters and only when frame buffers
3807 		 * are ready, the parameters will be set to CSS.
3808 		 * per-frame setting only works for the main output frame.
3809 		 */
3810 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
3811 		if (!param) {
3812 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
3813 				__func__);
3814 			return -ENOMEM;
3815 		}
3816 		css_param = &param->params;
3817 	}
3818 
3819 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
3820 	if (ret)
3821 		goto apply_parameter_failed;
3822 
3823 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
3824 	if (ret)
3825 		goto apply_parameter_failed;
3826 
3827 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
3828 	if (ret)
3829 		goto apply_parameter_failed;
3830 
3831 	ret = atomisp_css_cp_dvs2_coefs(asd,
3832 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
3833 					css_param, true);
3834 	if (ret)
3835 		goto apply_parameter_failed;
3836 
3837 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
3838 					  css_param, true);
3839 	if (ret)
3840 		goto apply_parameter_failed;
3841 
3842 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
3843 		/* indicate to CSS that we have parameters to be updated */
3844 		asd->params.css_update_params_needed = true;
3845 	} else {
3846 		list_add_tail(&param->list, &pipe->per_frame_params);
3847 		atomisp_handle_parameter_and_buffer(pipe);
3848 	}
3849 
3850 	return 0;
3851 
3852 apply_parameter_failed:
3853 	if (css_param)
3854 		atomisp_free_css_parameters(css_param);
3855 	kvfree(param);
3856 
3857 	return ret;
3858 }
3859 
3860 /*
3861  * Function to set/get isp parameters to isp
3862  */
atomisp_param(struct atomisp_sub_device * asd,int flag,struct atomisp_parm * config)3863 int atomisp_param(struct atomisp_sub_device *asd, int flag,
3864 		  struct atomisp_parm *config)
3865 {
3866 	struct ia_css_pipe_config *vp_cfg =
3867 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
3868 		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
3869 
3870 	/* Read parameter for 3A binary info */
3871 	if (flag == 0) {
3872 		struct ia_css_dvs_grid_info *dvs_grid_info =
3873 		    atomisp_css_get_dvs_grid_info(
3874 			&asd->params.curr_grid_info);
3875 
3876 		atomisp_curr_user_grid_info(asd, &config->info);
3877 
3878 		/* We always return the resolution and stride even if there is
3879 		 * no valid metadata. This allows the caller to get the
3880 		 * information needed to allocate user-space buffers. */
3881 		config->metadata_config.metadata_height = asd->
3882 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3883 			metadata_info.resolution.height;
3884 		config->metadata_config.metadata_stride = asd->
3885 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3886 			metadata_info.stride;
3887 
3888 		/* update dvs grid info */
3889 		if (dvs_grid_info)
3890 			memcpy(&config->dvs_grid,
3891 			       dvs_grid_info,
3892 			       sizeof(struct ia_css_dvs_grid_info));
3893 
3894 		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3895 			config->dvs_envelop.width = 0;
3896 			config->dvs_envelop.height = 0;
3897 			return 0;
3898 		}
3899 
3900 		/* update dvs envelop info */
3901 		if (!asd->continuous_mode->val) {
3902 			config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
3903 			config->dvs_envelop.height =
3904 			    vp_cfg->dvs_envelope.height;
3905 		} else {
3906 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
3907 
3908 			dvs_w = vp_cfg->bayer_ds_out_res.width -
3909 				vp_cfg->output_info[0].res.width;
3910 			dvs_h = vp_cfg->bayer_ds_out_res.height -
3911 				vp_cfg->output_info[0].res.height;
3912 			dvs_w_max = rounddown(
3913 					vp_cfg->output_info[0].res.width / 5,
3914 					ATOM_ISP_STEP_WIDTH);
3915 			dvs_h_max = rounddown(
3916 					vp_cfg->output_info[0].res.height / 5,
3917 					ATOM_ISP_STEP_HEIGHT);
3918 
3919 			config->dvs_envelop.width = min(dvs_w, dvs_w_max);
3920 			config->dvs_envelop.height = min(dvs_h, dvs_h_max);
3921 		}
3922 
3923 		return 0;
3924 	}
3925 
3926 	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
3927 	       sizeof(struct ia_css_wb_config));
3928 	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
3929 	       sizeof(struct ia_css_ob_config));
3930 	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
3931 	       sizeof(struct ia_css_dp_config));
3932 	memcpy(&asd->params.css_param.de_config, &config->de_config,
3933 	       sizeof(struct ia_css_de_config));
3934 	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
3935 	       sizeof(struct ia_css_dz_config));
3936 	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
3937 	       sizeof(struct ia_css_ce_config));
3938 	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
3939 	       sizeof(struct ia_css_nr_config));
3940 	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
3941 	       sizeof(struct ia_css_ee_config));
3942 	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
3943 	       sizeof(struct ia_css_tnr_config));
3944 
3945 	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
3946 		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
3947 		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
3948 		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
3949 		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
3950 		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
3951 		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
3952 	}
3953 
3954 	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
3955 	    asd->params.color_effect != V4L2_COLORFX_BW) {
3956 		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
3957 		       sizeof(struct ia_css_cc_config));
3958 		asd->params.config.cc_config = &asd->params.css_param.cc_config;
3959 	}
3960 
3961 	asd->params.config.wb_config = &asd->params.css_param.wb_config;
3962 	asd->params.config.ob_config = &asd->params.css_param.ob_config;
3963 	asd->params.config.de_config = &asd->params.css_param.de_config;
3964 	asd->params.config.dz_config = &asd->params.css_param.dz_config;
3965 	asd->params.config.ce_config = &asd->params.css_param.ce_config;
3966 	asd->params.config.dp_config = &asd->params.css_param.dp_config;
3967 	asd->params.config.nr_config = &asd->params.css_param.nr_config;
3968 	asd->params.config.ee_config = &asd->params.css_param.ee_config;
3969 	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
3970 	asd->params.css_update_params_needed = true;
3971 
3972 	return 0;
3973 }
3974 
3975 /*
3976  * Function to configure color effect of the image
3977  */
atomisp_color_effect(struct atomisp_sub_device * asd,int flag,__s32 * effect)3978 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
3979 			 __s32 *effect)
3980 {
3981 	struct ia_css_cc_config *cc_config = NULL;
3982 	struct ia_css_macc_table *macc_table = NULL;
3983 	struct ia_css_ctc_table *ctc_table = NULL;
3984 	int ret = 0;
3985 	struct v4l2_control control;
3986 	struct atomisp_device *isp = asd->isp;
3987 
3988 	if (flag == 0) {
3989 		*effect = asd->params.color_effect;
3990 		return 0;
3991 	}
3992 
3993 	control.id = V4L2_CID_COLORFX;
3994 	control.value = *effect;
3995 	ret =
3996 	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
3997 			&control);
3998 	/*
3999 	 * if set color effect to sensor successfully, return
4000 	 * 0 directly.
4001 	 */
4002 	if (!ret) {
4003 		asd->params.color_effect = (u32)*effect;
4004 		return 0;
4005 	}
4006 
4007 	if (*effect == asd->params.color_effect)
4008 		return 0;
4009 
4010 	/*
4011 	 * isp_subdev->params.macc_en should be set to false.
4012 	 */
4013 	asd->params.macc_en = false;
4014 
4015 	switch (*effect) {
4016 	case V4L2_COLORFX_NONE:
4017 		macc_table = &asd->params.css_param.macc_table;
4018 		asd->params.macc_en = true;
4019 		break;
4020 	case V4L2_COLORFX_SEPIA:
4021 		cc_config = &sepia_cc_config;
4022 		break;
4023 	case V4L2_COLORFX_NEGATIVE:
4024 		cc_config = &nega_cc_config;
4025 		break;
4026 	case V4L2_COLORFX_BW:
4027 		cc_config = &mono_cc_config;
4028 		break;
4029 	case V4L2_COLORFX_SKY_BLUE:
4030 		macc_table = &blue_macc_table;
4031 		asd->params.macc_en = true;
4032 		break;
4033 	case V4L2_COLORFX_GRASS_GREEN:
4034 		macc_table = &green_macc_table;
4035 		asd->params.macc_en = true;
4036 		break;
4037 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
4038 		macc_table = &skin_low_macc_table;
4039 		asd->params.macc_en = true;
4040 		break;
4041 	case V4L2_COLORFX_SKIN_WHITEN:
4042 		macc_table = &skin_medium_macc_table;
4043 		asd->params.macc_en = true;
4044 		break;
4045 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4046 		macc_table = &skin_high_macc_table;
4047 		asd->params.macc_en = true;
4048 		break;
4049 	case V4L2_COLORFX_VIVID:
4050 		ctc_table = &vivid_ctc_table;
4051 		break;
4052 	default:
4053 		return -EINVAL;
4054 	}
4055 	atomisp_update_capture_mode(asd);
4056 
4057 	if (cc_config)
4058 		asd->params.config.cc_config = cc_config;
4059 	if (macc_table)
4060 		asd->params.config.macc_table = macc_table;
4061 	if (ctc_table)
4062 		atomisp_css_set_ctc_table(asd, ctc_table);
4063 	asd->params.color_effect = (u32)*effect;
4064 	asd->params.css_update_params_needed = true;
4065 	return 0;
4066 }
4067 
4068 /*
4069  * Function to configure bad pixel correction
4070  */
atomisp_bad_pixel(struct atomisp_sub_device * asd,int flag,__s32 * value)4071 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4072 		      __s32 *value)
4073 {
4074 	if (flag == 0) {
4075 		*value = asd->params.bad_pixel_en;
4076 		return 0;
4077 	}
4078 	asd->params.bad_pixel_en = !!*value;
4079 
4080 	return 0;
4081 }
4082 
4083 /*
4084  * Function to configure bad pixel correction params
4085  */
atomisp_bad_pixel_param(struct atomisp_sub_device * asd,int flag,struct atomisp_dp_config * config)4086 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4087 			    struct atomisp_dp_config *config)
4088 {
4089 	if (flag == 0) {
4090 		/* Get bad pixel from current setup */
4091 		if (atomisp_css_get_dp_config(asd, config))
4092 			return -EINVAL;
4093 	} else {
4094 		/* Set bad pixel to isp parameters */
4095 		memcpy(&asd->params.css_param.dp_config, config,
4096 		       sizeof(asd->params.css_param.dp_config));
4097 		asd->params.config.dp_config = &asd->params.css_param.dp_config;
4098 		asd->params.css_update_params_needed = true;
4099 	}
4100 
4101 	return 0;
4102 }
4103 
4104 /*
4105  * Function to enable/disable video image stablization
4106  */
atomisp_video_stable(struct atomisp_sub_device * asd,int flag,__s32 * value)4107 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4108 			 __s32 *value)
4109 {
4110 	if (flag == 0)
4111 		*value = asd->params.video_dis_en;
4112 	else
4113 		asd->params.video_dis_en = !!*value;
4114 
4115 	return 0;
4116 }
4117 
4118 /*
4119  * Function to configure fixed pattern noise
4120  */
atomisp_fixed_pattern(struct atomisp_sub_device * asd,int flag,__s32 * value)4121 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4122 			  __s32 *value)
4123 {
4124 	if (flag == 0) {
4125 		*value = asd->params.fpn_en;
4126 		return 0;
4127 	}
4128 
4129 	if (*value == 0) {
4130 		asd->params.fpn_en = false;
4131 		return 0;
4132 	}
4133 
4134 	/* Add function to get black from from sensor with shutter off */
4135 	return 0;
4136 }
4137 
4138 static unsigned int
atomisp_bytesperline_to_padded_width(unsigned int bytesperline,enum ia_css_frame_format format)4139 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4140 				     enum ia_css_frame_format format)
4141 {
4142 	switch (format) {
4143 	case IA_CSS_FRAME_FORMAT_UYVY:
4144 	case IA_CSS_FRAME_FORMAT_YUYV:
4145 	case IA_CSS_FRAME_FORMAT_RAW:
4146 	case IA_CSS_FRAME_FORMAT_RGB565:
4147 		return bytesperline / 2;
4148 	case IA_CSS_FRAME_FORMAT_RGBA888:
4149 		return bytesperline / 4;
4150 	/* The following cases could be removed, but we leave them
4151 	   in to document the formats that are included. */
4152 	case IA_CSS_FRAME_FORMAT_NV11:
4153 	case IA_CSS_FRAME_FORMAT_NV12:
4154 	case IA_CSS_FRAME_FORMAT_NV16:
4155 	case IA_CSS_FRAME_FORMAT_NV21:
4156 	case IA_CSS_FRAME_FORMAT_NV61:
4157 	case IA_CSS_FRAME_FORMAT_YV12:
4158 	case IA_CSS_FRAME_FORMAT_YV16:
4159 	case IA_CSS_FRAME_FORMAT_YUV420:
4160 	case IA_CSS_FRAME_FORMAT_YUV420_16:
4161 	case IA_CSS_FRAME_FORMAT_YUV422:
4162 	case IA_CSS_FRAME_FORMAT_YUV422_16:
4163 	case IA_CSS_FRAME_FORMAT_YUV444:
4164 	case IA_CSS_FRAME_FORMAT_YUV_LINE:
4165 	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4166 	case IA_CSS_FRAME_FORMAT_QPLANE6:
4167 	case IA_CSS_FRAME_FORMAT_BINARY_8:
4168 	default:
4169 		return bytesperline;
4170 	}
4171 }
4172 
4173 static int
atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer * arg,struct ia_css_frame ** result)4174 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4175 				      struct ia_css_frame **result)
4176 {
4177 	struct ia_css_frame *res = NULL;
4178 	unsigned int padded_width;
4179 	enum ia_css_frame_format sh_format;
4180 	char *tmp_buf = NULL;
4181 	int ret = 0;
4182 
4183 	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4184 	padded_width = atomisp_bytesperline_to_padded_width(
4185 			   arg->fmt.bytesperline, sh_format);
4186 
4187 	/* Note: the padded width on an ia_css_frame is in elements, not in
4188 	   bytes. The RAW frame we use here should always be a 16bit RAW
4189 	   frame. This is why we bytesperline/2 is equal to the padded with */
4190 	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4191 				       sh_format, padded_width, 0)) {
4192 		ret = -ENOMEM;
4193 		goto err;
4194 	}
4195 
4196 	tmp_buf = vmalloc(arg->fmt.sizeimage);
4197 	if (!tmp_buf) {
4198 		ret = -ENOMEM;
4199 		goto err;
4200 	}
4201 	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4202 			   arg->fmt.sizeimage)) {
4203 		ret = -EFAULT;
4204 		goto err;
4205 	}
4206 
4207 	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4208 		ret = -EINVAL;
4209 		goto err;
4210 	}
4211 
4212 err:
4213 	if (ret && res)
4214 		ia_css_frame_free(res);
4215 	vfree(tmp_buf);
4216 	if (ret == 0)
4217 		*result = res;
4218 	return ret;
4219 }
4220 
4221 /*
4222  * Function to configure fixed pattern noise table
4223  */
atomisp_fixed_pattern_table(struct atomisp_sub_device * asd,struct v4l2_framebuffer * arg)4224 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4225 				struct v4l2_framebuffer *arg)
4226 {
4227 	struct ia_css_frame *raw_black_frame = NULL;
4228 	int ret;
4229 
4230 	if (!arg)
4231 		return -EINVAL;
4232 
4233 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4234 	if (ret)
4235 		return ret;
4236 
4237 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4238 				   raw_black_frame) != 0)
4239 		return -ENOMEM;
4240 
4241 	ia_css_frame_free(raw_black_frame);
4242 	return ret;
4243 }
4244 
4245 /*
4246  * Function to configure false color correction
4247  */
atomisp_false_color(struct atomisp_sub_device * asd,int flag,__s32 * value)4248 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4249 			__s32 *value)
4250 {
4251 	/* Get nr config from current setup */
4252 	if (flag == 0) {
4253 		*value = asd->params.false_color;
4254 		return 0;
4255 	}
4256 
4257 	/* Set nr config to isp parameters */
4258 	if (*value) {
4259 		asd->params.config.de_config = NULL;
4260 	} else {
4261 		asd->params.css_param.de_config.pixelnoise = 0;
4262 		asd->params.config.de_config = &asd->params.css_param.de_config;
4263 	}
4264 	asd->params.css_update_params_needed = true;
4265 	asd->params.false_color = *value;
4266 	return 0;
4267 }
4268 
4269 /*
4270  * Function to configure bad pixel correction params
4271  */
atomisp_false_color_param(struct atomisp_sub_device * asd,int flag,struct atomisp_de_config * config)4272 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4273 			      struct atomisp_de_config *config)
4274 {
4275 	if (flag == 0) {
4276 		/* Get false color from current setup */
4277 		if (atomisp_css_get_de_config(asd, config))
4278 			return -EINVAL;
4279 	} else {
4280 		/* Set false color to isp parameters */
4281 		memcpy(&asd->params.css_param.de_config, config,
4282 		       sizeof(asd->params.css_param.de_config));
4283 		asd->params.config.de_config = &asd->params.css_param.de_config;
4284 		asd->params.css_update_params_needed = true;
4285 	}
4286 
4287 	return 0;
4288 }
4289 
4290 /*
4291  * Function to configure white balance params
4292  */
atomisp_white_balance_param(struct atomisp_sub_device * asd,int flag,struct atomisp_wb_config * config)4293 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4294 				struct atomisp_wb_config *config)
4295 {
4296 	if (flag == 0) {
4297 		/* Get white balance from current setup */
4298 		if (atomisp_css_get_wb_config(asd, config))
4299 			return -EINVAL;
4300 	} else {
4301 		/* Set white balance to isp parameters */
4302 		memcpy(&asd->params.css_param.wb_config, config,
4303 		       sizeof(asd->params.css_param.wb_config));
4304 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4305 		asd->params.css_update_params_needed = true;
4306 	}
4307 
4308 	return 0;
4309 }
4310 
atomisp_3a_config_param(struct atomisp_sub_device * asd,int flag,struct atomisp_3a_config * config)4311 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4312 			    struct atomisp_3a_config *config)
4313 {
4314 	struct atomisp_device *isp = asd->isp;
4315 
4316 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4317 
4318 	if (flag == 0) {
4319 		/* Get white balance from current setup */
4320 		if (atomisp_css_get_3a_config(asd, config))
4321 			return -EINVAL;
4322 	} else {
4323 		/* Set white balance to isp parameters */
4324 		memcpy(&asd->params.css_param.s3a_config, config,
4325 		       sizeof(asd->params.css_param.s3a_config));
4326 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4327 		asd->params.css_update_params_needed = true;
4328 	}
4329 
4330 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4331 	return 0;
4332 }
4333 
4334 /*
4335  * Function to setup digital zoom
4336  */
atomisp_digital_zoom(struct atomisp_sub_device * asd,int flag,__s32 * value)4337 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4338 			 __s32 *value)
4339 {
4340 	u32 zoom;
4341 	struct atomisp_device *isp = asd->isp;
4342 
4343 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4344 
4345 	if (flag == 0) {
4346 		atomisp_css_get_zoom_factor(asd, &zoom);
4347 		*value = max_zoom - zoom;
4348 	} else {
4349 		if (*value < 0)
4350 			return -EINVAL;
4351 
4352 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4353 		atomisp_css_set_zoom_factor(asd, zoom);
4354 
4355 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4356 		asd->params.css_update_params_needed = true;
4357 	}
4358 
4359 	return 0;
4360 }
4361 
4362 /*
4363  * Function to get sensor specific info for current resolution,
4364  * which will be used for auto exposure conversion.
4365  */
atomisp_get_sensor_mode_data(struct atomisp_sub_device * asd,struct atomisp_sensor_mode_data * config)4366 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4367 				 struct atomisp_sensor_mode_data *config)
4368 {
4369 	struct camera_mipi_info *mipi_info;
4370 	struct atomisp_device *isp = asd->isp;
4371 
4372 	mipi_info = atomisp_to_sensor_mipi_info(
4373 			isp->inputs[asd->input_curr].camera);
4374 	if (!mipi_info)
4375 		return -EINVAL;
4376 
4377 	memcpy(config, &mipi_info->data, sizeof(*config));
4378 	return 0;
4379 }
4380 
__atomisp_update_stream_env(struct atomisp_sub_device * asd,u16 stream_index,struct atomisp_input_stream_info * stream_info)4381 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4382 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4383 {
4384 	int i;
4385 
4386 	/* assign virtual channel id return from sensor driver query */
4387 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4388 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4389 	for (i = 0; i < stream_info->isys_configs; i++) {
4390 		asd->stream_env[stream_index].isys_info[i].input_format =
4391 		    stream_info->isys_info[i].input_format;
4392 		asd->stream_env[stream_index].isys_info[i].width =
4393 		    stream_info->isys_info[i].width;
4394 		asd->stream_env[stream_index].isys_info[i].height =
4395 		    stream_info->isys_info[i].height;
4396 	}
4397 }
4398 
__atomisp_init_stream_info(u16 stream_index,struct atomisp_input_stream_info * stream_info)4399 static void __atomisp_init_stream_info(u16 stream_index,
4400 				       struct atomisp_input_stream_info *stream_info)
4401 {
4402 	int i;
4403 
4404 	stream_info->enable = 1;
4405 	stream_info->stream = stream_index;
4406 	stream_info->ch_id = 0;
4407 	stream_info->isys_configs = 0;
4408 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4409 		stream_info->isys_info[i].input_format = 0;
4410 		stream_info->isys_info[i].width = 0;
4411 		stream_info->isys_info[i].height = 0;
4412 	}
4413 }
4414 
4415 /* This function looks up the closest available resolution. */
atomisp_try_fmt(struct video_device * vdev,struct v4l2_pix_format * f,bool * res_overflow)4416 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_pix_format *f,
4417 		    bool *res_overflow)
4418 {
4419 	struct atomisp_device *isp = video_get_drvdata(vdev);
4420 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4421 	struct v4l2_subdev_pad_config pad_cfg;
4422 	struct v4l2_subdev_state pad_state = {
4423 		.pads = &pad_cfg
4424 		};
4425 	struct v4l2_subdev_format format = {
4426 		.which = V4L2_SUBDEV_FORMAT_TRY,
4427 	};
4428 
4429 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4430 	const struct atomisp_format_bridge *fmt;
4431 	struct atomisp_input_stream_info *stream_info =
4432 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4433 	int ret;
4434 
4435 	if (!asd) {
4436 		dev_err(isp->dev, "%s(): asd is NULL, device is %s\n",
4437 			__func__, vdev->name);
4438 		return -EINVAL;
4439 	}
4440 
4441 	if (!isp->inputs[asd->input_curr].camera)
4442 		return -EINVAL;
4443 
4444 	fmt = atomisp_get_format_bridge(f->pixelformat);
4445 	if (!fmt) {
4446 		dev_err(isp->dev, "unsupported pixelformat!\n");
4447 		fmt = atomisp_output_fmts;
4448 	}
4449 
4450 	if (f->width <= 0 || f->height <= 0)
4451 		return -EINVAL;
4452 
4453 	snr_mbus_fmt->code = fmt->mbus_code;
4454 	snr_mbus_fmt->width = f->width;
4455 	snr_mbus_fmt->height = f->height;
4456 
4457 	__atomisp_init_stream_info(ATOMISP_INPUT_STREAM_GENERAL, stream_info);
4458 
4459 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4460 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4461 
4462 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4463 			       pad, set_fmt, &pad_state, &format);
4464 	if (ret)
4465 		return ret;
4466 
4467 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4468 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4469 
4470 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4471 	if (!fmt) {
4472 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4473 			snr_mbus_fmt->code);
4474 		return -EINVAL;
4475 	}
4476 
4477 	f->pixelformat = fmt->pixelformat;
4478 
4479 	/*
4480 	 * If the format is jpeg or custom RAW, then the width and height will
4481 	 * not satisfy the normal atomisp requirements and no need to check
4482 	 * the below conditions. So just assign to what is being returned from
4483 	 * the sensor driver.
4484 	 */
4485 	if (f->pixelformat == V4L2_PIX_FMT_JPEG ||
4486 	    f->pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4487 		f->width = snr_mbus_fmt->width;
4488 		f->height = snr_mbus_fmt->height;
4489 		return 0;
4490 	}
4491 
4492 	if (!res_overflow || (snr_mbus_fmt->width < f->width &&
4493 			      snr_mbus_fmt->height < f->height)) {
4494 		f->width = snr_mbus_fmt->width;
4495 		f->height = snr_mbus_fmt->height;
4496 		/* Set the flag when resolution requested is
4497 		 * beyond the max value supported by sensor
4498 		 */
4499 		if (res_overflow)
4500 			*res_overflow = true;
4501 	}
4502 
4503 	/* app vs isp */
4504 	f->width = rounddown(clamp_t(u32, f->width, ATOM_ISP_MIN_WIDTH,
4505 				     ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4506 	f->height = rounddown(clamp_t(u32, f->height, ATOM_ISP_MIN_HEIGHT,
4507 				      ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4508 
4509 	return 0;
4510 }
4511 
__get_mipi_port(struct atomisp_device * isp,enum atomisp_camera_port port)4512 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4513 				  enum atomisp_camera_port port)
4514 {
4515 	switch (port) {
4516 	case ATOMISP_CAMERA_PORT_PRIMARY:
4517 		return MIPI_PORT0_ID;
4518 	case ATOMISP_CAMERA_PORT_SECONDARY:
4519 		return MIPI_PORT1_ID;
4520 	case ATOMISP_CAMERA_PORT_TERTIARY:
4521 		if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID)
4522 			return MIPI_PORT1_ID + 1;
4523 		fallthrough;
4524 	default:
4525 		dev_err(isp->dev, "unsupported port: %d\n", port);
4526 		return MIPI_PORT0_ID;
4527 	}
4528 }
4529 
atomisp_set_sensor_mipi_to_isp(struct atomisp_sub_device * asd,enum atomisp_input_stream_id stream_id,struct camera_mipi_info * mipi_info)4530 static inline int atomisp_set_sensor_mipi_to_isp(
4531     struct atomisp_sub_device *asd,
4532     enum atomisp_input_stream_id stream_id,
4533     struct camera_mipi_info *mipi_info)
4534 {
4535 	struct v4l2_control ctrl;
4536 	struct atomisp_device *isp = asd->isp;
4537 	const struct atomisp_in_fmt_conv *fc;
4538 	int mipi_freq = 0;
4539 	unsigned int input_format, bayer_order;
4540 
4541 	ctrl.id = V4L2_CID_LINK_FREQ;
4542 	if (v4l2_g_ctrl
4543 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
4544 		mipi_freq = ctrl.value;
4545 
4546 	if (asd->stream_env[stream_id].isys_configs == 1) {
4547 		input_format =
4548 		    asd->stream_env[stream_id].isys_info[0].input_format;
4549 		atomisp_css_isys_set_format(asd, stream_id,
4550 					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
4551 	} else if (asd->stream_env[stream_id].isys_configs == 2) {
4552 		atomisp_css_isys_two_stream_cfg_update_stream1(
4553 		    asd, stream_id,
4554 		    asd->stream_env[stream_id].isys_info[0].input_format,
4555 		    asd->stream_env[stream_id].isys_info[0].width,
4556 		    asd->stream_env[stream_id].isys_info[0].height);
4557 
4558 		atomisp_css_isys_two_stream_cfg_update_stream2(
4559 		    asd, stream_id,
4560 		    asd->stream_env[stream_id].isys_info[1].input_format,
4561 		    asd->stream_env[stream_id].isys_info[1].width,
4562 		    asd->stream_env[stream_id].isys_info[1].height);
4563 	}
4564 
4565 	/* Compatibility for sensors which provide no media bus code
4566 	 * in s_mbus_framefmt() nor support pad formats. */
4567 	if (mipi_info->input_format != -1) {
4568 		bayer_order = mipi_info->raw_bayer_order;
4569 
4570 		/* Input stream config is still needs configured */
4571 		/* TODO: Check if this is necessary */
4572 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
4573 			 mipi_info->input_format);
4574 		if (!fc)
4575 			return -EINVAL;
4576 		input_format = fc->atomisp_in_fmt;
4577 	} else {
4578 		struct v4l2_mbus_framefmt *sink;
4579 
4580 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4581 					       V4L2_SUBDEV_FORMAT_ACTIVE,
4582 					       ATOMISP_SUBDEV_PAD_SINK);
4583 		fc = atomisp_find_in_fmt_conv(sink->code);
4584 		if (!fc)
4585 			return -EINVAL;
4586 		input_format = fc->atomisp_in_fmt;
4587 		bayer_order = fc->bayer_order;
4588 	}
4589 
4590 	atomisp_css_input_set_format(asd, stream_id, input_format);
4591 	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
4592 
4593 	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
4594 		 mipi_info->metadata_format);
4595 	if (!fc)
4596 		return -EINVAL;
4597 	input_format = fc->atomisp_in_fmt;
4598 	atomisp_css_input_configure_port(asd,
4599 					 __get_mipi_port(asd->isp, mipi_info->port),
4600 					 mipi_info->num_lanes,
4601 					 0xffff4, mipi_freq,
4602 					 input_format,
4603 					 mipi_info->metadata_width,
4604 					 mipi_info->metadata_height);
4605 	return 0;
4606 }
4607 
__enable_continuous_mode(struct atomisp_sub_device * asd,bool enable)4608 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
4609 				    bool enable)
4610 {
4611 	struct atomisp_device *isp = asd->isp;
4612 
4613 	dev_dbg(isp->dev,
4614 		"continuous mode %d, raw buffers %d, stop preview %d\n",
4615 		enable, asd->continuous_raw_buffer_size->val,
4616 		!asd->continuous_viewfinder->val);
4617 
4618 	if (!IS_ISP2401)
4619 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
4620 	else
4621 		atomisp_update_capture_mode(asd);
4622 
4623 	/* in case of ANR, force capture pipe to offline mode */
4624 	atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
4625 					  asd->params.low_light ? false : !enable);
4626 	atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
4627 					  !enable);
4628 	atomisp_css_enable_continuous(asd, enable);
4629 	atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
4630 
4631 	atomisp_css_continuous_set_num_raw_frames(asd,
4632 		asd->continuous_raw_buffer_size->val);
4633 
4634 	if (!enable) {
4635 		atomisp_css_enable_raw_binning(asd, false);
4636 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
4637 	}
4638 
4639 	if (isp->inputs[asd->input_curr].type != FILE_INPUT)
4640 		atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
4641 
4642 	return atomisp_update_run_mode(asd);
4643 }
4644 
configure_pp_input_nop(struct atomisp_sub_device * asd,unsigned int width,unsigned int height)4645 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
4646 				  unsigned int width, unsigned int height)
4647 {
4648 	return 0;
4649 }
4650 
configure_output_nop(struct atomisp_sub_device * asd,unsigned int width,unsigned int height,unsigned int min_width,enum ia_css_frame_format sh_fmt)4651 static int configure_output_nop(struct atomisp_sub_device *asd,
4652 				unsigned int width, unsigned int height,
4653 				unsigned int min_width,
4654 				enum ia_css_frame_format sh_fmt)
4655 {
4656 	return 0;
4657 }
4658 
get_frame_info_nop(struct atomisp_sub_device * asd,struct ia_css_frame_info * finfo)4659 static int get_frame_info_nop(struct atomisp_sub_device *asd,
4660 			      struct ia_css_frame_info *finfo)
4661 {
4662 	return 0;
4663 }
4664 
4665 /*
4666  * Resets CSS parameters that depend on input resolution.
4667  *
4668  * Update params like CSS RAW binning, 2ppc mode and pp_input
4669  * which depend on input size, but are not automatically
4670  * handled in CSS when the input resolution is changed.
4671  */
css_input_resolution_changed(struct atomisp_sub_device * asd,struct v4l2_mbus_framefmt * ffmt)4672 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
4673 					struct v4l2_mbus_framefmt *ffmt)
4674 {
4675 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
4676 	unsigned int i;
4677 
4678 	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
4679 		ffmt->width, ffmt->height);
4680 
4681 	if (IS_ISP2401)
4682 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
4683 	else
4684 		atomisp_css_input_set_two_pixels_per_clock(asd, true);
4685 
4686 	if (asd->continuous_mode->val) {
4687 		/* Note for all checks: ffmt includes pad_w+pad_h */
4688 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
4689 		    (ffmt->width >= 2048 || ffmt->height >= 1536)) {
4690 			/*
4691 			 * For preview pipe, enable only if resolution
4692 			 * is >= 3M for ISP2400.
4693 			 */
4694 			atomisp_css_enable_raw_binning(asd, true);
4695 		}
4696 	}
4697 	/*
4698 	 * If sensor input changed, which means metadata resolution changed
4699 	 * together. Release all metadata buffers here to let it re-allocated
4700 	 * next time in reqbufs.
4701 	 */
4702 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
4703 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
4704 					 list) {
4705 			atomisp_css_free_metadata_buffer(md_buf);
4706 			list_del(&md_buf->list);
4707 			kfree(md_buf);
4708 		}
4709 	}
4710 	return 0;
4711 
4712 	/*
4713 	 * TODO: atomisp_css_preview_configure_pp_input() not
4714 	 *       reset due to CSS bug tracked as PSI BZ 115124
4715 	 */
4716 }
4717 
atomisp_set_fmt_to_isp(struct video_device * vdev,struct ia_css_frame_info * output_info,struct ia_css_frame_info * raw_output_info,struct v4l2_pix_format * pix,unsigned int source_pad)4718 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
4719 				  struct ia_css_frame_info *output_info,
4720 				  struct ia_css_frame_info *raw_output_info,
4721 				  struct v4l2_pix_format *pix,
4722 				  unsigned int source_pad)
4723 {
4724 	struct camera_mipi_info *mipi_info;
4725 	struct atomisp_device *isp = video_get_drvdata(vdev);
4726 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4727 	const struct atomisp_format_bridge *format;
4728 	struct v4l2_rect *isp_sink_crop;
4729 	enum ia_css_pipe_id pipe_id;
4730 	struct v4l2_subdev_fh fh;
4731 	int (*configure_output)(struct atomisp_sub_device *asd,
4732 				unsigned int width, unsigned int height,
4733 				unsigned int min_width,
4734 				enum ia_css_frame_format sh_fmt) =
4735 				    configure_output_nop;
4736 	int (*get_frame_info)(struct atomisp_sub_device *asd,
4737 			      struct ia_css_frame_info *finfo) =
4738 				  get_frame_info_nop;
4739 	int (*configure_pp_input)(struct atomisp_sub_device *asd,
4740 				  unsigned int width, unsigned int height) =
4741 				      configure_pp_input_nop;
4742 	const struct atomisp_in_fmt_conv *fc;
4743 	int ret, i;
4744 
4745 	if (!asd) {
4746 		dev_err(isp->dev, "%s(): asd is NULL, device is %s\n",
4747 			__func__, vdev->name);
4748 		return -EINVAL;
4749 	}
4750 
4751 	v4l2_fh_init(&fh.vfh, vdev);
4752 
4753 	isp_sink_crop = atomisp_subdev_get_rect(
4754 			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4755 			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
4756 
4757 	format = atomisp_get_format_bridge(pix->pixelformat);
4758 	if (!format)
4759 		return -EINVAL;
4760 
4761 	if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
4762 	    isp->inputs[asd->input_curr].type != FILE_INPUT) {
4763 		mipi_info = atomisp_to_sensor_mipi_info(
4764 				isp->inputs[asd->input_curr].camera);
4765 		if (!mipi_info) {
4766 			dev_err(isp->dev, "mipi_info is NULL\n");
4767 			return -EINVAL;
4768 		}
4769 		if (atomisp_set_sensor_mipi_to_isp(asd, ATOMISP_INPUT_STREAM_GENERAL,
4770 						   mipi_info))
4771 			return -EINVAL;
4772 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
4773 			 mipi_info->input_format);
4774 		if (!fc)
4775 			fc = atomisp_find_in_fmt_conv(
4776 				 atomisp_subdev_get_ffmt(&asd->subdev,
4777 							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4778 							 ATOMISP_SUBDEV_PAD_SINK)->code);
4779 		if (!fc)
4780 			return -EINVAL;
4781 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
4782 		    raw_output_format_match_input(fc->atomisp_in_fmt,
4783 						  pix->pixelformat))
4784 			return -EINVAL;
4785 	}
4786 
4787 	/*
4788 	 * Configure viewfinder also when vfpp is disabled: the
4789 	 * CSS still requires viewfinder configuration.
4790 	 */
4791 	if (asd->fmt_auto->val ||
4792 	    asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
4793 		struct v4l2_rect vf_size = {0};
4794 		struct v4l2_mbus_framefmt vf_ffmt = {0};
4795 
4796 		if (pix->width < 640 || pix->height < 480) {
4797 			vf_size.width = pix->width;
4798 			vf_size.height = pix->height;
4799 		} else {
4800 			vf_size.width = 640;
4801 			vf_size.height = 480;
4802 		}
4803 
4804 		/* FIXME: proper format name for this one. See
4805 		   atomisp_output_fmts[] in atomisp_v4l2.c */
4806 		vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
4807 
4808 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
4809 					     V4L2_SUBDEV_FORMAT_ACTIVE,
4810 					     ATOMISP_SUBDEV_PAD_SOURCE_VF,
4811 					     V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
4812 		atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
4813 					V4L2_SUBDEV_FORMAT_ACTIVE,
4814 					ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
4815 		asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
4816 
4817 		if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4818 			atomisp_css_video_configure_viewfinder(asd,
4819 							       vf_size.width, vf_size.height, 0,
4820 							       asd->video_out_vf.sh_fmt);
4821 		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4822 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
4823 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
4824 				atomisp_css_video_configure_viewfinder(asd,
4825 								       vf_size.width, vf_size.height, 0,
4826 								       asd->video_out_vf.sh_fmt);
4827 			else
4828 				atomisp_css_capture_configure_viewfinder(asd,
4829 					vf_size.width, vf_size.height, 0,
4830 					asd->video_out_vf.sh_fmt);
4831 		} else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
4832 			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
4833 			atomisp_css_capture_configure_viewfinder(asd,
4834 				vf_size.width, vf_size.height, 0,
4835 				asd->video_out_vf.sh_fmt);
4836 		}
4837 	}
4838 
4839 	if (asd->continuous_mode->val) {
4840 		ret = __enable_continuous_mode(asd, true);
4841 		if (ret)
4842 			return -EINVAL;
4843 	}
4844 
4845 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
4846 
4847 	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
4848 		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
4849 
4850 	/* ISP2401 new input system need to use copy pipe */
4851 	if (asd->copy_mode) {
4852 		pipe_id = IA_CSS_PIPE_ID_COPY;
4853 		atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL, false);
4854 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4855 		/* video same in continuouscapture and online modes */
4856 		configure_output = atomisp_css_video_configure_output;
4857 		get_frame_info = atomisp_css_video_get_output_frame_info;
4858 		pipe_id = IA_CSS_PIPE_ID_VIDEO;
4859 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4860 		if (!asd->continuous_mode->val) {
4861 			configure_output = atomisp_css_video_configure_output;
4862 			get_frame_info =
4863 			    atomisp_css_video_get_output_frame_info;
4864 			pipe_id = IA_CSS_PIPE_ID_VIDEO;
4865 		} else {
4866 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
4867 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
4868 				configure_output =
4869 				    atomisp_css_video_configure_output;
4870 				get_frame_info =
4871 				    atomisp_css_video_get_output_frame_info;
4872 				configure_pp_input =
4873 				    atomisp_css_video_configure_pp_input;
4874 				pipe_id = IA_CSS_PIPE_ID_VIDEO;
4875 			} else {
4876 				configure_output =
4877 				    atomisp_css_capture_configure_output;
4878 				get_frame_info =
4879 				    atomisp_css_capture_get_output_frame_info;
4880 				configure_pp_input =
4881 				    atomisp_css_capture_configure_pp_input;
4882 				pipe_id = IA_CSS_PIPE_ID_CAPTURE;
4883 
4884 				atomisp_update_capture_mode(asd);
4885 				atomisp_css_capture_enable_online(asd,
4886 								  ATOMISP_INPUT_STREAM_GENERAL,
4887 								  false);
4888 			}
4889 		}
4890 	} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
4891 		configure_output = atomisp_css_preview_configure_output;
4892 		get_frame_info = atomisp_css_preview_get_output_frame_info;
4893 		configure_pp_input = atomisp_css_preview_configure_pp_input;
4894 		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
4895 	} else {
4896 		/* CSS doesn't support low light mode on SOC cameras, so disable
4897 		 * it. FIXME: if this is done elsewhere, it gives corrupted
4898 		 * colors into thumbnail image.
4899 		 */
4900 		if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
4901 			asd->params.low_light = false;
4902 
4903 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
4904 			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
4905 			atomisp_css_enable_dz(asd, false);
4906 		} else {
4907 			atomisp_update_capture_mode(asd);
4908 		}
4909 
4910 		if (!asd->continuous_mode->val)
4911 			/* in case of ANR, force capture pipe to offline mode */
4912 			atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
4913 							  asd->params.low_light ?
4914 							  false : asd->params.online_process);
4915 
4916 		configure_output = atomisp_css_capture_configure_output;
4917 		get_frame_info = atomisp_css_capture_get_output_frame_info;
4918 		configure_pp_input = atomisp_css_capture_configure_pp_input;
4919 		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
4920 
4921 		if (!asd->params.online_process &&
4922 		    !asd->continuous_mode->val) {
4923 			ret = atomisp_css_capture_get_output_raw_frame_info(asd,
4924 				raw_output_info);
4925 			if (ret)
4926 				return ret;
4927 		}
4928 		if (!asd->continuous_mode->val && asd->run_mode->val
4929 		    != ATOMISP_RUN_MODE_STILL_CAPTURE) {
4930 			dev_err(isp->dev,
4931 				"Need to set the running mode first\n");
4932 			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
4933 		}
4934 	}
4935 
4936 	/*
4937 	 * to SOC camera, use yuvpp pipe.
4938 	 */
4939 	if (ATOMISP_USE_YUVPP(asd))
4940 		pipe_id = IA_CSS_PIPE_ID_YUVPP;
4941 
4942 	if (asd->copy_mode)
4943 		ret = atomisp_css_copy_configure_output(asd, ATOMISP_INPUT_STREAM_GENERAL,
4944 							pix->width, pix->height,
4945 							format->planar ? pix->bytesperline :
4946 							pix->bytesperline * 8 / format->depth,
4947 							format->sh_fmt);
4948 	else
4949 		ret = configure_output(asd, pix->width, pix->height,
4950 				       format->planar ? pix->bytesperline :
4951 				       pix->bytesperline * 8 / format->depth,
4952 				       format->sh_fmt);
4953 	if (ret) {
4954 		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
4955 			pix->width, pix->height, format->sh_fmt);
4956 		return -EINVAL;
4957 	}
4958 
4959 	ret = configure_pp_input(asd, isp_sink_crop->width, isp_sink_crop->height);
4960 	if (ret) {
4961 		dev_err(isp->dev, "configure_pp_input %ux%u\n",
4962 			isp_sink_crop->width,
4963 			isp_sink_crop->height);
4964 		return -EINVAL;
4965 	}
4966 	if (asd->copy_mode)
4967 		ret = atomisp_css_copy_get_output_frame_info(asd,
4968 							     ATOMISP_INPUT_STREAM_GENERAL,
4969 							     output_info);
4970 	else
4971 		ret = get_frame_info(asd, output_info);
4972 	if (ret) {
4973 		dev_err(isp->dev, "__get_frame_info %ux%u (padded to %u) returned %d\n",
4974 			pix->width, pix->height, pix->bytesperline, ret);
4975 		return ret;
4976 	}
4977 
4978 	atomisp_update_grid_info(asd, pipe_id, source_pad);
4979 
4980 	/* Free the raw_dump buffer first */
4981 	ia_css_frame_free(asd->raw_output_frame);
4982 	asd->raw_output_frame = NULL;
4983 
4984 	if (!asd->continuous_mode->val && !asd->params.online_process &&
4985 	    ia_css_frame_allocate_from_info(&asd->raw_output_frame,
4986 		    raw_output_info))
4987 		return -ENOMEM;
4988 
4989 	return 0;
4990 }
4991 
atomisp_get_dis_envelop(struct atomisp_sub_device * asd,unsigned int width,unsigned int height,unsigned int * dvs_env_w,unsigned int * dvs_env_h)4992 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
4993 				    unsigned int width, unsigned int height,
4994 				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
4995 {
4996 	struct atomisp_device *isp = asd->isp;
4997 
4998 	/* if subdev type is SOC camera,we do not need to set DVS */
4999 	if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5000 		asd->params.video_dis_en = false;
5001 
5002 	if (asd->params.video_dis_en &&
5003 	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5004 		/* envelope is 20% of the output resolution */
5005 		/*
5006 		 * dvs envelope cannot be round up.
5007 		 * it would cause ISP timeout and color switch issue
5008 		 */
5009 		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5010 		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5011 	}
5012 
5013 	asd->params.dis_proj_data_valid = false;
5014 	asd->params.css_update_params_needed = true;
5015 }
5016 
atomisp_check_copy_mode(struct atomisp_sub_device * asd,int source_pad,struct v4l2_pix_format * f)5017 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5018 				    int source_pad, struct v4l2_pix_format *f)
5019 {
5020 	struct v4l2_mbus_framefmt *sink, *src;
5021 
5022 	if (!IS_ISP2401) {
5023 		/* Only used for the new input system */
5024 		asd->copy_mode = false;
5025 		return;
5026 	}
5027 
5028 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5029 				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5030 	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5031 				      V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5032 
5033 	if (sink->code == src->code && sink->width == f->width && sink->height == f->height)
5034 		asd->copy_mode = true;
5035 	else
5036 		asd->copy_mode = false;
5037 
5038 	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5039 }
5040 
atomisp_set_fmt_to_snr(struct video_device * vdev,struct v4l2_pix_format * f,unsigned int pixelformat,unsigned int padding_w,unsigned int padding_h,unsigned int dvs_env_w,unsigned int dvs_env_h)5041 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5042 				  struct v4l2_pix_format *f, unsigned int pixelformat,
5043 				  unsigned int padding_w, unsigned int padding_h,
5044 				  unsigned int dvs_env_w, unsigned int dvs_env_h)
5045 {
5046 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5047 	struct atomisp_sub_device *asd = pipe->asd;
5048 	const struct atomisp_format_bridge *format;
5049 	struct v4l2_subdev_pad_config pad_cfg;
5050 	struct v4l2_subdev_state pad_state = {
5051 		.pads = &pad_cfg
5052 		};
5053 	struct v4l2_subdev_format vformat = {
5054 		.which = V4L2_SUBDEV_FORMAT_TRY,
5055 	};
5056 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5057 	struct v4l2_mbus_framefmt *req_ffmt;
5058 	struct atomisp_device *isp;
5059 	struct atomisp_input_stream_info *stream_info =
5060 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5061 	int source_pad = atomisp_subdev_source_pad(vdev);
5062 	struct v4l2_subdev_fh fh;
5063 	int ret;
5064 
5065 	if (!asd) {
5066 		dev_err(pipe->isp->dev, "%s(): asd is NULL, device is %s\n",
5067 			__func__, vdev->name);
5068 		return -EINVAL;
5069 	}
5070 
5071 	isp = asd->isp;
5072 
5073 	v4l2_fh_init(&fh.vfh, vdev);
5074 
5075 	format = atomisp_get_format_bridge(pixelformat);
5076 	if (!format)
5077 		return -EINVAL;
5078 
5079 	v4l2_fill_mbus_format(ffmt, f, format->mbus_code);
5080 	ffmt->height += padding_h + dvs_env_h;
5081 	ffmt->width += padding_w + dvs_env_w;
5082 
5083 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5084 		ffmt->width, ffmt->height, padding_w, padding_h,
5085 		dvs_env_w, dvs_env_h);
5086 
5087 	__atomisp_init_stream_info(ATOMISP_INPUT_STREAM_GENERAL, stream_info);
5088 
5089 	req_ffmt = ffmt;
5090 
5091 	/* Disable dvs if resolution can't be supported by sensor */
5092 	if (asd->params.video_dis_en &&
5093 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5094 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5095 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5096 				       pad, set_fmt, &pad_state, &vformat);
5097 		if (ret)
5098 			return ret;
5099 
5100 		dev_dbg(isp->dev, "video dis: sensor width: %d, height: %d\n",
5101 			ffmt->width, ffmt->height);
5102 
5103 		if (ffmt->width < req_ffmt->width ||
5104 		    ffmt->height < req_ffmt->height) {
5105 			req_ffmt->height -= dvs_env_h;
5106 			req_ffmt->width -= dvs_env_w;
5107 			ffmt = req_ffmt;
5108 			dev_warn(isp->dev,
5109 				 "can not enable video dis due to sensor limitation.");
5110 			asd->params.video_dis_en = false;
5111 		}
5112 	}
5113 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5114 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5115 			       set_fmt, NULL, &vformat);
5116 	if (ret)
5117 		return ret;
5118 
5119 	__atomisp_update_stream_env(asd, ATOMISP_INPUT_STREAM_GENERAL, stream_info);
5120 
5121 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5122 		ffmt->width, ffmt->height);
5123 
5124 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5125 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5126 		return -EINVAL;
5127 
5128 	if (asd->params.video_dis_en &&
5129 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5130 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5131 		dev_warn(isp->dev,
5132 			 "can not enable video dis due to sensor limitation.");
5133 		asd->params.video_dis_en = false;
5134 	}
5135 
5136 	atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
5137 				V4L2_SUBDEV_FORMAT_ACTIVE,
5138 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5139 
5140 	return css_input_resolution_changed(asd, ffmt);
5141 }
5142 
atomisp_set_fmt(struct file * file,void * unused,struct v4l2_format * f)5143 int atomisp_set_fmt(struct file *file, void *unused, struct v4l2_format *f)
5144 {
5145 	struct video_device *vdev = video_devdata(file);
5146 	struct atomisp_device *isp = video_get_drvdata(vdev);
5147 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5148 	struct atomisp_sub_device *asd = pipe->asd;
5149 	const struct atomisp_format_bridge *format_bridge;
5150 	const struct atomisp_format_bridge *snr_format_bridge;
5151 	struct ia_css_frame_info output_info, raw_output_info;
5152 	struct v4l2_pix_format snr_fmt;
5153 	struct v4l2_pix_format backup_fmt, s_fmt;
5154 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5155 	unsigned int padding_w = pad_w, padding_h = pad_h;
5156 	bool res_overflow = false, crop_needs_override = false;
5157 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5158 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5159 	struct v4l2_subdev_format vformat = {
5160 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
5161 	};
5162 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5163 	struct v4l2_rect isp_sink_crop;
5164 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5165 	struct v4l2_subdev_fh fh;
5166 	int ret;
5167 
5168 	ret = atomisp_pipe_check(pipe, true);
5169 	if (ret)
5170 		return ret;
5171 
5172 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5173 		return -EINVAL;
5174 
5175 	dev_dbg(isp->dev,
5176 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5177 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5178 		asd->index, f->fmt.pix.bytesperline);
5179 
5180 	v4l2_fh_init(&fh.vfh, vdev);
5181 
5182 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5183 	if (!format_bridge)
5184 		return -EINVAL;
5185 
5186 	/* Currently, raw formats are broken!!! */
5187 
5188 	if (format_bridge->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5189 		f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUV420;
5190 
5191 		format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5192 		if (!format_bridge)
5193 			return -EINVAL;
5194 	}
5195 	pipe->sh_fmt = format_bridge->sh_fmt;
5196 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5197 
5198 	/* Ensure that the resolution is equal or below the maximum supported */
5199 
5200 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5201 	v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format_bridge->mbus_code);
5202 	ffmt->height += padding_h;
5203 	ffmt->width += padding_w;
5204 
5205 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5206 			       set_fmt, NULL, &vformat);
5207 	if (ret)
5208 		return ret;
5209 
5210 	f->fmt.pix.width = ffmt->width - padding_w;
5211 	f->fmt.pix.height = ffmt->height - padding_h;
5212 
5213 	snr_fmt = f->fmt.pix;
5214 	backup_fmt = snr_fmt;
5215 
5216 	/**********************************************************************/
5217 
5218 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5219 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5220 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5221 		if (asd->fmt_auto->val) {
5222 			struct v4l2_rect *capture_comp;
5223 			struct v4l2_rect r = {0};
5224 
5225 			r.width = f->fmt.pix.width;
5226 			r.height = f->fmt.pix.height;
5227 
5228 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5229 				capture_comp = atomisp_subdev_get_rect(
5230 						   &asd->subdev, NULL,
5231 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5232 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5233 						   V4L2_SEL_TGT_COMPOSE);
5234 			else
5235 				capture_comp = atomisp_subdev_get_rect(
5236 						   &asd->subdev, NULL,
5237 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5238 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5239 						   V4L2_SEL_TGT_COMPOSE);
5240 
5241 			if (capture_comp->width < r.width
5242 			    || capture_comp->height < r.height) {
5243 				r.width = capture_comp->width;
5244 				r.height = capture_comp->height;
5245 			}
5246 
5247 			atomisp_subdev_set_selection(
5248 			    &asd->subdev, fh.state,
5249 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5250 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5251 
5252 			f->fmt.pix.width = r.width;
5253 			f->fmt.pix.height = r.height;
5254 		}
5255 
5256 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5257 			atomisp_css_video_configure_viewfinder(asd,
5258 							       f->fmt.pix.width, f->fmt.pix.height,
5259 							       format_bridge->planar ? f->fmt.pix.bytesperline
5260 							       : f->fmt.pix.bytesperline * 8
5261 							       / format_bridge->depth,	format_bridge->sh_fmt);
5262 			atomisp_css_video_get_viewfinder_frame_info(asd,
5263 				&output_info);
5264 			asd->copy_mode = false;
5265 		} else {
5266 			atomisp_css_capture_configure_viewfinder(asd,
5267 				f->fmt.pix.width, f->fmt.pix.height,
5268 				format_bridge->planar ? f->fmt.pix.bytesperline
5269 				: f->fmt.pix.bytesperline * 8
5270 				/ format_bridge->depth,	format_bridge->sh_fmt);
5271 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5272 				&output_info);
5273 			asd->copy_mode = false;
5274 		}
5275 
5276 		goto done;
5277 	}
5278 	/*
5279 	 * Check whether main resolution configured smaller
5280 	 * than snapshot resolution. If so, force main resolution
5281 	 * to be the same as snapshot resolution
5282 	 */
5283 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5284 		struct v4l2_rect *r;
5285 
5286 		r = atomisp_subdev_get_rect(
5287 			&asd->subdev, NULL,
5288 			V4L2_SUBDEV_FORMAT_ACTIVE,
5289 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5290 
5291 		if (r->width && r->height
5292 		    && (r->width > f->fmt.pix.width
5293 			|| r->height > f->fmt.pix.height))
5294 			dev_warn(isp->dev,
5295 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5296 	}
5297 
5298 	/* Pipeline configuration done through subdevs. Bail out now. */
5299 	if (!asd->fmt_auto->val)
5300 		goto set_fmt_to_isp;
5301 
5302 	/* get sensor resolution and format */
5303 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5304 	if (ret) {
5305 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5306 		return ret;
5307 	}
5308 	f->fmt.pix.width = snr_fmt.width;
5309 	f->fmt.pix.height = snr_fmt.height;
5310 
5311 	snr_format_bridge = atomisp_get_format_bridge(snr_fmt.pixelformat);
5312 	if (!snr_format_bridge) {
5313 		dev_warn(isp->dev, "Can't find bridge format\n");
5314 		return -EINVAL;
5315 	}
5316 
5317 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5318 				V4L2_SUBDEV_FORMAT_ACTIVE,
5319 				ATOMISP_SUBDEV_PAD_SINK)->code =
5320 				    snr_format_bridge->mbus_code;
5321 
5322 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5323 						V4L2_SUBDEV_FORMAT_ACTIVE,
5324 						ATOMISP_SUBDEV_PAD_SINK);
5325 
5326 	isp_source_fmt.code = format_bridge->mbus_code;
5327 	atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
5328 				V4L2_SUBDEV_FORMAT_ACTIVE,
5329 				source_pad, &isp_source_fmt);
5330 
5331 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5332 		padding_w = 0;
5333 		padding_h = 0;
5334 	} else if (IS_BYT) {
5335 		padding_w = 12;
5336 		padding_h = 12;
5337 	}
5338 
5339 	/* construct resolution supported by isp */
5340 	if (res_overflow && !asd->continuous_mode->val) {
5341 		f->fmt.pix.width = rounddown(
5342 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5343 					       ATOM_ISP_MIN_WIDTH,
5344 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5345 		f->fmt.pix.height = rounddown(
5346 					clamp_t(u32, f->fmt.pix.height - padding_h,
5347 						ATOM_ISP_MIN_HEIGHT,
5348 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5349 	}
5350 
5351 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5352 				&dvs_env_w, &dvs_env_h);
5353 
5354 	if (asd->continuous_mode->val) {
5355 		struct v4l2_rect *r;
5356 
5357 		r = atomisp_subdev_get_rect(
5358 			&asd->subdev, NULL,
5359 			V4L2_SUBDEV_FORMAT_ACTIVE,
5360 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5361 			V4L2_SEL_TGT_COMPOSE);
5362 		/*
5363 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5364 		 * properly set otherwise, it should not be the capture_pad.
5365 		 */
5366 		if (r->width && r->height)
5367 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5368 		else
5369 			asd->capture_pad = source_pad;
5370 	} else {
5371 		asd->capture_pad = source_pad;
5372 	}
5373 	/*
5374 	 * set format info to sensor
5375 	 * In continuous mode, resolution is set only if it is higher than
5376 	 * existing value. This because preview pipe will be configured after
5377 	 * capture pipe and usually has lower resolution than capture pipe.
5378 	 */
5379 	if (!asd->continuous_mode->val ||
5380 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5381 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5382 				    dvs_env_h)) {
5383 		/*
5384 		 * For jpeg or custom raw format the sensor will return constant
5385 		 * width and height. Because we already had quried try_mbus_fmt,
5386 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5387 		 * this fixed width and height. So we cannot select the correct
5388 		 * resolution with that information. So use the original width
5389 		 * and height while set_mbus_fmt() so actual resolutions are
5390 		 * being used in while set media bus format.
5391 		 */
5392 		s_fmt = f->fmt.pix;
5393 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5394 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5395 			s_fmt.width = backup_fmt.width;
5396 			s_fmt.height = backup_fmt.height;
5397 		}
5398 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5399 					     f->fmt.pix.pixelformat, padding_w,
5400 					     padding_h, dvs_env_w, dvs_env_h);
5401 		if (ret) {
5402 			dev_warn(isp->dev,
5403 				 "Set format to sensor failed with %d\n", ret);
5404 			return -EINVAL;
5405 		}
5406 
5407 		atomisp_csi_lane_config(isp);
5408 		crop_needs_override = true;
5409 	}
5410 
5411 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5412 	asd->yuvpp_mode = false;			/* Reset variable */
5413 
5414 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5415 			V4L2_SUBDEV_FORMAT_ACTIVE,
5416 			ATOMISP_SUBDEV_PAD_SINK,
5417 			V4L2_SEL_TGT_CROP);
5418 
5419 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5420 	 * width or height) bigger than the desired result. */
5421 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5422 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5423 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5424 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5425 	       !asd->continuous_mode->val) ||
5426 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5427 		/* for continuous mode, preview size might be smaller than
5428 		 * still capture size. if preview size still needs crop,
5429 		 * pick the larger one between crop size of preview and
5430 		 * still capture.
5431 		 */
5432 		if (asd->continuous_mode->val
5433 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5434 		    && !crop_needs_override) {
5435 			isp_sink_crop.width =
5436 			    max_t(unsigned int, f->fmt.pix.width,
5437 				  isp_sink_crop.width);
5438 			isp_sink_crop.height =
5439 			    max_t(unsigned int, f->fmt.pix.height,
5440 				  isp_sink_crop.height);
5441 		} else {
5442 			isp_sink_crop.width = f->fmt.pix.width;
5443 			isp_sink_crop.height = f->fmt.pix.height;
5444 		}
5445 
5446 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5447 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5448 					     ATOMISP_SUBDEV_PAD_SINK,
5449 					     V4L2_SEL_TGT_CROP,
5450 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5451 					     &isp_sink_crop);
5452 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5453 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5454 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5455 					     0, &isp_sink_crop);
5456 	} else if (IS_MOFD) {
5457 		struct v4l2_rect main_compose = {0};
5458 
5459 		main_compose.width = isp_sink_crop.width;
5460 		main_compose.height =
5461 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5462 				 f->fmt.pix.width);
5463 		if (main_compose.height > isp_sink_crop.height) {
5464 			main_compose.height = isp_sink_crop.height;
5465 			main_compose.width =
5466 			    DIV_ROUND_UP(main_compose.height *
5467 					 f->fmt.pix.width,
5468 					 f->fmt.pix.height);
5469 		}
5470 
5471 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5472 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5473 					     source_pad,
5474 					     V4L2_SEL_TGT_COMPOSE, 0,
5475 					     &main_compose);
5476 	} else {
5477 		struct v4l2_rect sink_crop = {0};
5478 		struct v4l2_rect main_compose = {0};
5479 
5480 		main_compose.width = f->fmt.pix.width;
5481 		main_compose.height = f->fmt.pix.height;
5482 
5483 		/* WORKAROUND: this override is universally enabled in
5484 		 * GMIN to work around a CTS failures (GMINL-539)
5485 		 * which appears to be related by a hardware
5486 		 * performance limitation.  It's unclear why this
5487 		 * particular code triggers the issue. */
5488 		if (crop_needs_override) {
5489 			if (isp_sink_crop.width * main_compose.height >
5490 			    isp_sink_crop.height * main_compose.width) {
5491 				sink_crop.height = isp_sink_crop.height;
5492 				sink_crop.width = DIV_NEAREST_STEP(
5493 						      sink_crop.height *
5494 						      f->fmt.pix.width,
5495 						      f->fmt.pix.height,
5496 						      ATOM_ISP_STEP_WIDTH);
5497 			} else {
5498 				sink_crop.width = isp_sink_crop.width;
5499 				sink_crop.height = DIV_NEAREST_STEP(
5500 						       sink_crop.width *
5501 						       f->fmt.pix.height,
5502 						       f->fmt.pix.width,
5503 						       ATOM_ISP_STEP_HEIGHT);
5504 			}
5505 			atomisp_subdev_set_selection(&asd->subdev, fh.state,
5506 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5507 						     ATOMISP_SUBDEV_PAD_SINK,
5508 						     V4L2_SEL_TGT_CROP,
5509 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5510 						     &sink_crop);
5511 		}
5512 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5513 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5514 					     source_pad,
5515 					     V4L2_SEL_TGT_COMPOSE, 0,
5516 					     &main_compose);
5517 	}
5518 
5519 set_fmt_to_isp:
5520 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
5521 				     &f->fmt.pix, source_pad);
5522 	if (ret) {
5523 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
5524 		return -EINVAL;
5525 	}
5526 done:
5527 	pipe->pix.width = f->fmt.pix.width;
5528 	pipe->pix.height = f->fmt.pix.height;
5529 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5530 	/*
5531 	 * FIXME: do we need to setup this differently, depending on the
5532 	 * sensor or the pipeline?
5533 	 */
5534 	pipe->pix.colorspace = V4L2_COLORSPACE_REC709;
5535 	pipe->pix.ycbcr_enc = V4L2_YCBCR_ENC_709;
5536 	pipe->pix.xfer_func = V4L2_XFER_FUNC_709;
5537 
5538 	if (format_bridge->planar) {
5539 		pipe->pix.bytesperline = output_info.padded_width;
5540 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
5541 						 DIV_ROUND_UP(format_bridge->depth *
5542 							 output_info.padded_width, 8));
5543 	} else {
5544 		pipe->pix.bytesperline =
5545 		    DIV_ROUND_UP(format_bridge->depth *
5546 				 output_info.padded_width, 8);
5547 		pipe->pix.sizeimage =
5548 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
5549 	}
5550 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
5551 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
5552 
5553 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
5554 		f->fmt.pix.field = V4L2_FIELD_NONE;
5555 	pipe->pix.field = f->fmt.pix.field;
5556 
5557 	f->fmt.pix = pipe->pix;
5558 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
5559 				     pipe->pix.height * 2);
5560 
5561 	pipe->capq.field = f->fmt.pix.field;
5562 
5563 	/*
5564 	 * If in video 480P case, no GFX throttle
5565 	 */
5566 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5567 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
5568 		isp->need_gfx_throttle = false;
5569 	else
5570 		isp->need_gfx_throttle = true;
5571 
5572 	/* Report the needed sizes */
5573 	f->fmt.pix.sizeimage = pipe->pix.sizeimage;
5574 	f->fmt.pix.bytesperline = pipe->pix.bytesperline;
5575 
5576 	dev_dbg(isp->dev, "%s: %dx%d, image size: %d, %d bytes per line\n",
5577 		__func__,
5578 		f->fmt.pix.width, f->fmt.pix.height,
5579 		f->fmt.pix.sizeimage, f->fmt.pix.bytesperline);
5580 
5581 	return 0;
5582 }
5583 
atomisp_set_shading_table(struct atomisp_sub_device * asd,struct atomisp_shading_table * user_shading_table)5584 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
5585 			      struct atomisp_shading_table *user_shading_table)
5586 {
5587 	struct ia_css_shading_table *shading_table;
5588 	struct ia_css_shading_table *free_table;
5589 	unsigned int len_table;
5590 	int i;
5591 	int ret = 0;
5592 
5593 	if (!user_shading_table)
5594 		return -EINVAL;
5595 
5596 	if (!user_shading_table->enable) {
5597 		asd->params.config.shading_table = NULL;
5598 		asd->params.sc_en = false;
5599 		return 0;
5600 	}
5601 
5602 	/* If enabling, all tables must be set */
5603 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
5604 		if (!user_shading_table->data[i])
5605 			return -EINVAL;
5606 	}
5607 
5608 	/* Shading table size per color */
5609 	if (user_shading_table->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
5610 	    user_shading_table->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
5611 		return -EINVAL;
5612 
5613 	shading_table = atomisp_css_shading_table_alloc(
5614 			    user_shading_table->width, user_shading_table->height);
5615 	if (!shading_table)
5616 		return -ENOMEM;
5617 
5618 	len_table = user_shading_table->width * user_shading_table->height *
5619 		    ATOMISP_SC_TYPE_SIZE;
5620 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
5621 		ret = copy_from_user(shading_table->data[i],
5622 				     (void __user *)user_shading_table->data[i],
5623 				     len_table);
5624 		if (ret) {
5625 			free_table = shading_table;
5626 			ret = -EFAULT;
5627 			goto out;
5628 		}
5629 	}
5630 	shading_table->sensor_width = user_shading_table->sensor_width;
5631 	shading_table->sensor_height = user_shading_table->sensor_height;
5632 	shading_table->fraction_bits = user_shading_table->fraction_bits;
5633 
5634 	free_table = asd->params.css_param.shading_table;
5635 	asd->params.css_param.shading_table = shading_table;
5636 	asd->params.config.shading_table = shading_table;
5637 	asd->params.sc_en = true;
5638 
5639 out:
5640 	if (free_table)
5641 		atomisp_css_shading_table_free(free_table);
5642 
5643 	return ret;
5644 }
5645 
5646 /*Turn off ISP dphy */
atomisp_ospm_dphy_down(struct atomisp_device * isp)5647 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
5648 {
5649 	struct pci_dev *pdev = to_pci_dev(isp->dev);
5650 	unsigned long flags;
5651 	u32 reg;
5652 
5653 	dev_dbg(isp->dev, "%s\n", __func__);
5654 
5655 	/* if ISP timeout, we can force powerdown */
5656 	if (isp->isp_timeout)
5657 		goto done;
5658 
5659 	if (!atomisp_dev_users(isp))
5660 		goto done;
5661 
5662 	spin_lock_irqsave(&isp->lock, flags);
5663 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
5664 	spin_unlock_irqrestore(&isp->lock, flags);
5665 done:
5666 	/*
5667 	 * MRFLD IUNIT DPHY is located in an always-power-on island
5668 	 * MRFLD HW design need all CSI ports are disabled before
5669 	 * powering down the IUNIT.
5670 	 */
5671 	pci_read_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, &reg);
5672 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
5673 	pci_write_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, reg);
5674 	return 0;
5675 }
5676 
5677 /*Turn on ISP dphy */
atomisp_ospm_dphy_up(struct atomisp_device * isp)5678 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
5679 {
5680 	unsigned long flags;
5681 
5682 	dev_dbg(isp->dev, "%s\n", __func__);
5683 
5684 	spin_lock_irqsave(&isp->lock, flags);
5685 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
5686 	spin_unlock_irqrestore(&isp->lock, flags);
5687 
5688 	return 0;
5689 }
5690 
atomisp_exif_makernote(struct atomisp_sub_device * asd,struct atomisp_makernote_info * config)5691 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
5692 			   struct atomisp_makernote_info *config)
5693 {
5694 	struct v4l2_control ctrl;
5695 	struct atomisp_device *isp = asd->isp;
5696 
5697 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
5698 	if (v4l2_g_ctrl
5699 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
5700 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
5701 		return -EINVAL;
5702 	} else {
5703 		config->focal_length = ctrl.value;
5704 	}
5705 
5706 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
5707 	if (v4l2_g_ctrl
5708 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
5709 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
5710 		return -EINVAL;
5711 	} else {
5712 		config->f_number_curr = ctrl.value;
5713 	}
5714 
5715 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
5716 	if (v4l2_g_ctrl
5717 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
5718 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
5719 		return -EINVAL;
5720 	} else {
5721 		config->f_number_range = ctrl.value;
5722 	}
5723 
5724 	return 0;
5725 }
5726 
atomisp_offline_capture_configure(struct atomisp_sub_device * asd,struct atomisp_cont_capture_conf * cvf_config)5727 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
5728 				      struct atomisp_cont_capture_conf *cvf_config)
5729 {
5730 	struct v4l2_ctrl *c;
5731 
5732 	lockdep_assert_held(&asd->isp->mutex);
5733 
5734 	/*
5735 	* In case of M10MO ZSL capture case, we need to issue a separate
5736 	* capture request to M10MO which will output captured jpeg image
5737 	*/
5738 	c = v4l2_ctrl_find(
5739 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
5740 		V4L2_CID_START_ZSL_CAPTURE);
5741 	if (c) {
5742 		int ret;
5743 
5744 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
5745 			__func__);
5746 		/* TODO: use the cvf_config */
5747 		ret = v4l2_ctrl_s_ctrl(c, 1);
5748 		if (ret)
5749 			return ret;
5750 
5751 		return v4l2_ctrl_s_ctrl(c, 0);
5752 	}
5753 
5754 	asd->params.offline_parm = *cvf_config;
5755 
5756 	if (asd->params.offline_parm.num_captures) {
5757 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
5758 			unsigned int init_raw_num;
5759 
5760 			if (asd->enable_raw_buffer_lock->val) {
5761 				init_raw_num =
5762 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
5763 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5764 				    asd->params.video_dis_en)
5765 					init_raw_num +=
5766 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
5767 			} else {
5768 				init_raw_num =
5769 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
5770 			}
5771 
5772 			/* TODO: this can be removed once user-space
5773 			 *       has been updated to use control API */
5774 			asd->continuous_raw_buffer_size->val =
5775 			    max_t(int,
5776 				  asd->continuous_raw_buffer_size->val,
5777 				  asd->params.offline_parm.
5778 				  num_captures + init_raw_num);
5779 			asd->continuous_raw_buffer_size->val =
5780 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
5781 				  asd->continuous_raw_buffer_size->val);
5782 		}
5783 		asd->continuous_mode->val = true;
5784 	} else {
5785 		asd->continuous_mode->val = false;
5786 		__enable_continuous_mode(asd, false);
5787 	}
5788 
5789 	return 0;
5790 }
5791 
5792 /*
5793  * set auto exposure metering window to camera sensor
5794  */
atomisp_s_ae_window(struct atomisp_sub_device * asd,struct atomisp_ae_window * arg)5795 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
5796 			struct atomisp_ae_window *arg)
5797 {
5798 	struct atomisp_device *isp = asd->isp;
5799 	/* Coverity CID 298071 - initialzize struct */
5800 	struct v4l2_subdev_selection sel = { 0 };
5801 
5802 	sel.r.left = arg->x_left;
5803 	sel.r.top = arg->y_top;
5804 	sel.r.width = arg->x_right - arg->x_left + 1;
5805 	sel.r.height = arg->y_bottom - arg->y_top + 1;
5806 
5807 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5808 			     pad, set_selection, NULL, &sel)) {
5809 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
5810 		return -EINVAL;
5811 	}
5812 
5813 	return 0;
5814 }
5815 
atomisp_flash_enable(struct atomisp_sub_device * asd,int num_frames)5816 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
5817 {
5818 	struct atomisp_device *isp = asd->isp;
5819 
5820 	if (num_frames < 0) {
5821 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
5822 			num_frames);
5823 		return -EINVAL;
5824 	}
5825 	/* a requested flash is still in progress. */
5826 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
5827 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
5828 			__func__, asd->params.flash_state,
5829 			asd->params.num_flash_frames);
5830 		return -EBUSY;
5831 	}
5832 
5833 	asd->params.num_flash_frames = num_frames;
5834 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
5835 	return 0;
5836 }
5837 
atomisp_is_vf_pipe(struct atomisp_video_pipe * pipe)5838 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
5839 {
5840 	struct atomisp_sub_device *asd = pipe->asd;
5841 
5842 	if (!asd) {
5843 		dev_err(pipe->isp->dev, "%s(): asd is NULL, device is %s\n",
5844 			__func__, pipe->vdev.name);
5845 		return false;
5846 	}
5847 
5848 	if (pipe == &asd->video_out_vf)
5849 		return true;
5850 
5851 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5852 	    pipe == &asd->video_out_preview)
5853 		return true;
5854 
5855 	return false;
5856 }
5857 
__checking_exp_id(struct atomisp_sub_device * asd,int exp_id)5858 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
5859 {
5860 	struct atomisp_device *isp = asd->isp;
5861 
5862 	if (!asd->enable_raw_buffer_lock->val) {
5863 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
5864 		return -EINVAL;
5865 	}
5866 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
5867 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
5868 			__func__, exp_id, asd->streaming);
5869 		return -EINVAL;
5870 	}
5871 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
5872 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
5873 		return -EINVAL;
5874 	}
5875 	return 0;
5876 }
5877 
atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device * asd)5878 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
5879 {
5880 	unsigned long flags;
5881 
5882 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
5883 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
5884 	asd->raw_buffer_locked_count = 0;
5885 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
5886 }
5887 
atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device * asd,int exp_id)5888 static int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
5889 {
5890 	int *bitmap, bit;
5891 	unsigned long flags;
5892 
5893 	if (__checking_exp_id(asd, exp_id))
5894 		return -EINVAL;
5895 
5896 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
5897 	bit = exp_id % 32;
5898 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
5899 	(*bitmap) |= (1 << bit);
5900 	asd->raw_buffer_locked_count++;
5901 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
5902 
5903 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
5904 		__func__, exp_id, asd->raw_buffer_locked_count);
5905 
5906 	/* Check if the raw buffer after next is still locked!!! */
5907 	exp_id += 2;
5908 	if (exp_id > ATOMISP_MAX_EXP_ID)
5909 		exp_id -= ATOMISP_MAX_EXP_ID;
5910 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
5911 	bit = exp_id % 32;
5912 	if ((*bitmap) & (1 << bit)) {
5913 		int ret;
5914 
5915 		/* WORKAROUND unlock the raw buffer compulsively */
5916 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
5917 		if (ret) {
5918 			dev_err(asd->isp->dev,
5919 				"%s exp_id is wrapping back to %d but force unlock failed, err %d.\n",
5920 				__func__, exp_id, ret);
5921 			return ret;
5922 		}
5923 
5924 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
5925 		(*bitmap) &= ~(1 << bit);
5926 		asd->raw_buffer_locked_count--;
5927 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
5928 		dev_warn(asd->isp->dev,
5929 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
5930 			 __func__, exp_id, asd->raw_buffer_locked_count);
5931 	}
5932 	return 0;
5933 }
5934 
__is_raw_buffer_locked(struct atomisp_sub_device * asd,int exp_id)5935 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
5936 {
5937 	int *bitmap, bit;
5938 	unsigned long flags;
5939 	int ret;
5940 
5941 	if (__checking_exp_id(asd, exp_id))
5942 		return -EINVAL;
5943 
5944 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
5945 	bit = exp_id % 32;
5946 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
5947 	ret = ((*bitmap) & (1 << bit));
5948 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
5949 	return !ret;
5950 }
5951 
__clear_raw_buffer_bitmap(struct atomisp_sub_device * asd,int exp_id)5952 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
5953 {
5954 	int *bitmap, bit;
5955 	unsigned long flags;
5956 
5957 	if (__is_raw_buffer_locked(asd, exp_id))
5958 		return -EINVAL;
5959 
5960 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
5961 	bit = exp_id % 32;
5962 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
5963 	(*bitmap) &= ~(1 << bit);
5964 	asd->raw_buffer_locked_count--;
5965 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
5966 
5967 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
5968 		__func__, exp_id, asd->raw_buffer_locked_count);
5969 	return 0;
5970 }
5971 
atomisp_exp_id_capture(struct atomisp_sub_device * asd,int * exp_id)5972 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
5973 {
5974 	struct atomisp_device *isp = asd->isp;
5975 	int value = *exp_id;
5976 	int ret;
5977 
5978 	lockdep_assert_held(&isp->mutex);
5979 
5980 	ret = __is_raw_buffer_locked(asd, value);
5981 	if (ret) {
5982 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
5983 		return -EINVAL;
5984 	}
5985 
5986 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
5987 	ret = atomisp_css_exp_id_capture(asd, value);
5988 	if (ret) {
5989 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
5990 		return -EIO;
5991 	}
5992 	return 0;
5993 }
5994 
atomisp_exp_id_unlock(struct atomisp_sub_device * asd,int * exp_id)5995 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
5996 {
5997 	struct atomisp_device *isp = asd->isp;
5998 	int value = *exp_id;
5999 	int ret;
6000 
6001 	lockdep_assert_held(&isp->mutex);
6002 
6003 	ret = __clear_raw_buffer_bitmap(asd, value);
6004 	if (ret) {
6005 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6006 		return -EINVAL;
6007 	}
6008 
6009 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6010 	ret = atomisp_css_exp_id_unlock(asd, value);
6011 	if (ret)
6012 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6013 			__func__, value, ret);
6014 
6015 	return ret;
6016 }
6017 
atomisp_enable_dz_capt_pipe(struct atomisp_sub_device * asd,unsigned int * enable)6018 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6019 				unsigned int *enable)
6020 {
6021 	bool value;
6022 
6023 	if (!enable)
6024 		return -EINVAL;
6025 
6026 	value = *enable > 0;
6027 
6028 	atomisp_en_dz_capt_pipe(asd, value);
6029 
6030 	return 0;
6031 }
6032 
atomisp_inject_a_fake_event(struct atomisp_sub_device * asd,int * event)6033 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6034 {
6035 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6036 		return -EINVAL;
6037 
6038 	lockdep_assert_held(&asd->isp->mutex);
6039 
6040 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6041 		__func__, *event);
6042 
6043 	switch (*event) {
6044 	case V4L2_EVENT_FRAME_SYNC:
6045 		atomisp_sof_event(asd);
6046 		break;
6047 	case V4L2_EVENT_FRAME_END:
6048 		atomisp_eof_event(asd, 0);
6049 		break;
6050 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6051 		atomisp_3a_stats_ready_event(asd, 0);
6052 		break;
6053 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6054 		atomisp_metadata_ready_event(asd, 0);
6055 		break;
6056 	default:
6057 		return -EINVAL;
6058 	}
6059 
6060 	return 0;
6061 }
6062 
atomisp_get_pipe_id(struct atomisp_video_pipe * pipe)6063 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6064 {
6065 	struct atomisp_sub_device *asd = pipe->asd;
6066 
6067 	if (!asd) {
6068 		dev_err(pipe->isp->dev, "%s(): asd is NULL, device is %s\n",
6069 			__func__, pipe->vdev.name);
6070 		return -EINVAL;
6071 	}
6072 
6073 	if (ATOMISP_USE_YUVPP(asd)) {
6074 		return IA_CSS_PIPE_ID_YUVPP;
6075 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
6076 		return IA_CSS_PIPE_ID_VIDEO;
6077 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
6078 		return IA_CSS_PIPE_ID_CAPTURE;
6079 	} else if (pipe == &asd->video_out_video_capture) {
6080 		return IA_CSS_PIPE_ID_VIDEO;
6081 	} else if (pipe == &asd->video_out_vf) {
6082 		return IA_CSS_PIPE_ID_CAPTURE;
6083 	} else if (pipe == &asd->video_out_preview) {
6084 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6085 			return IA_CSS_PIPE_ID_VIDEO;
6086 		else
6087 			return IA_CSS_PIPE_ID_PREVIEW;
6088 	} else if (pipe == &asd->video_out_capture) {
6089 		if (asd->copy_mode)
6090 			return IA_CSS_PIPE_ID_COPY;
6091 		else
6092 			return IA_CSS_PIPE_ID_CAPTURE;
6093 	}
6094 
6095 	/* fail through */
6096 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6097 		 __func__);
6098 	return IA_CSS_PIPE_ID_CAPTURE;
6099 }
6100 
atomisp_get_invalid_frame_num(struct video_device * vdev,int * invalid_frame_num)6101 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6102 				  int *invalid_frame_num)
6103 {
6104 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6105 	struct atomisp_sub_device *asd = pipe->asd;
6106 	enum ia_css_pipe_id pipe_id;
6107 	struct ia_css_pipe_info p_info;
6108 	int ret;
6109 
6110 	pipe_id = atomisp_get_pipe_id(pipe);
6111 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6112 		dev_warn(asd->isp->dev,
6113 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6114 			 __func__, pipe_id);
6115 		return -EINVAL;
6116 	}
6117 
6118 	ret = ia_css_pipe_get_info(
6119 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6120 		  .pipes[pipe_id], &p_info);
6121 	if (!ret) {
6122 		*invalid_frame_num = p_info.num_invalid_frames;
6123 		return 0;
6124 	} else {
6125 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6126 			 __func__, ret);
6127 		return -EINVAL;
6128 	}
6129 }
6130