2 * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
4 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
6 * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
7 * Younghwan Joo <yhwan.joo@samsung.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
15 #include <linux/device.h>
16 #include <linux/errno.h>
17 #include <linux/kernel.h>
18 #include <linux/list.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/printk.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/slab.h>
24 #include <linux/types.h>
25 #include <media/v4l2-device.h>
27 #include "media-dev.h"
28 #include "fimc-is-command.h"
29 #include "fimc-is-param.h"
30 #include "fimc-is-regs.h"
34 module_param_named(debug_isp, debug, int, S_IRUGO | S_IWUSR);
36 static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {
38 .name = "RAW8 (GRBG)",
39 .fourcc = V4L2_PIX_FMT_SGRBG8,
41 .color = FIMC_FMT_RAW8,
43 .mbus_code = V4L2_MBUS_FMT_SGRBG8_1X8,
45 .name = "RAW10 (GRBG)",
46 .fourcc = V4L2_PIX_FMT_SGRBG10,
48 .color = FIMC_FMT_RAW10,
50 .mbus_code = V4L2_MBUS_FMT_SGRBG10_1X10,
52 .name = "RAW12 (GRBG)",
53 .fourcc = V4L2_PIX_FMT_SGRBG12,
55 .color = FIMC_FMT_RAW12,
57 .mbus_code = V4L2_MBUS_FMT_SGRBG12_1X12,
62 * fimc_isp_find_format - lookup color format by fourcc or media bus code
63 * @pixelformat: fourcc to match, ignored if null
64 * @mbus_code: media bus code to match, ignored if null
65 * @index: index to the fimc_isp_formats array, ignored if negative
67 const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
68 const u32 *mbus_code, int index)
70 const struct fimc_fmt *fmt, *def_fmt = NULL;
74 if (index >= (int)ARRAY_SIZE(fimc_isp_formats))
77 for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) {
78 fmt = &fimc_isp_formats[i];
79 if (pixelformat && fmt->fourcc == *pixelformat)
81 if (mbus_code && fmt->mbus_code == *mbus_code)
90 void fimc_isp_irq_handler(struct fimc_is *is)
92 is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20));
93 is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21));
95 fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP);
97 /* TODO: Complete ISP DMA interrupt handler */
98 wake_up(&is->irq_queue);
101 /* Capture subdev media entity operations */
102 static int fimc_is_link_setup(struct media_entity *entity,
103 const struct media_pad *local,
104 const struct media_pad *remote, u32 flags)
109 static const struct media_entity_operations fimc_is_subdev_media_ops = {
110 .link_setup = fimc_is_link_setup,
113 static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd,
114 struct v4l2_subdev_fh *fh,
115 struct v4l2_subdev_mbus_code_enum *code)
117 const struct fimc_fmt *fmt;
119 fmt = fimc_isp_find_format(NULL, NULL, code->index);
122 code->code = fmt->mbus_code;
126 static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
127 struct v4l2_subdev_fh *fh,
128 struct v4l2_subdev_format *fmt)
130 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
131 struct fimc_is *is = fimc_isp_to_is(isp);
132 struct v4l2_mbus_framefmt *mf = &fmt->format;
133 struct v4l2_mbus_framefmt cur_fmt;
135 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
136 mf = v4l2_subdev_get_try_format(fh, fmt->pad);
141 mf->colorspace = V4L2_COLORSPACE_SRGB;
143 mutex_lock(&isp->subdev_lock);
144 __is_get_frame_size(is, &cur_fmt);
146 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
147 /* full camera input frame size */
148 mf->width = cur_fmt.width + FIMC_ISP_CAC_MARGIN_WIDTH;
149 mf->height = cur_fmt.height + FIMC_ISP_CAC_MARGIN_HEIGHT;
150 mf->code = V4L2_MBUS_FMT_SGRBG10_1X10;
153 mf->width = cur_fmt.width;
154 mf->height = cur_fmt.height;
155 mf->code = V4L2_MBUS_FMT_YUV10_1X30;
158 mutex_unlock(&isp->subdev_lock);
160 v4l2_dbg(1, debug, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n",
161 __func__, fmt->pad, mf->code, mf->width, mf->height);
166 static void __isp_subdev_try_format(struct fimc_isp *isp,
167 struct v4l2_subdev_format *fmt)
169 struct v4l2_mbus_framefmt *mf = &fmt->format;
171 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
172 v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
173 FIMC_ISP_SINK_WIDTH_MAX, 0,
174 &mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
175 FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
176 isp->subdev_fmt = *mf;
178 /* Allow changing format only on sink pad */
179 mf->width = isp->subdev_fmt.width - FIMC_ISP_CAC_MARGIN_WIDTH;
180 mf->height = isp->subdev_fmt.height - FIMC_ISP_CAC_MARGIN_HEIGHT;
181 mf->code = isp->subdev_fmt.code;
185 static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
186 struct v4l2_subdev_fh *fh,
187 struct v4l2_subdev_format *fmt)
189 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
190 struct fimc_is *is = fimc_isp_to_is(isp);
191 struct v4l2_mbus_framefmt *mf = &fmt->format;
194 v4l2_dbg(1, debug, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
195 __func__, fmt->pad, mf->code, mf->width, mf->height);
197 mf->colorspace = V4L2_COLORSPACE_SRGB;
199 mutex_lock(&isp->subdev_lock);
200 __isp_subdev_try_format(isp, fmt);
202 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
203 mf = v4l2_subdev_get_try_format(fh, fmt->pad);
205 mutex_unlock(&isp->subdev_lock);
209 if (sd->entity.stream_count == 0)
210 __is_set_frame_size(is, mf);
213 mutex_unlock(&isp->subdev_lock);
218 static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
220 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
221 struct fimc_is *is = fimc_isp_to_is(isp);
224 v4l2_dbg(1, debug, sd, "%s: on: %d\n", __func__, on);
226 if (!test_bit(IS_ST_INIT_DONE, &is->state))
229 fimc_is_mem_barrier();
232 if (__get_pending_param_count(is)) {
233 ret = fimc_is_itf_s_param(is, true);
238 v4l2_dbg(1, debug, sd, "changing mode to %d\n",
240 ret = fimc_is_itf_mode_change(is);
244 clear_bit(IS_ST_STREAM_ON, &is->state);
245 fimc_is_hw_stream_on(is);
246 ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1,
247 FIMC_IS_CONFIG_TIMEOUT);
249 v4l2_err(sd, "stream on timeout\n");
253 clear_bit(IS_ST_STREAM_OFF, &is->state);
254 fimc_is_hw_stream_off(is);
255 ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,
256 FIMC_IS_CONFIG_TIMEOUT);
258 v4l2_err(sd, "stream off timeout\n");
261 is->setfile.sub_index = 0;
267 static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
269 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
270 struct fimc_is *is = fimc_isp_to_is(isp);
273 pr_debug("on: %d\n", on);
276 ret = pm_runtime_get_sync(&is->pdev->dev);
279 set_bit(IS_ST_PWR_ON, &is->state);
281 ret = fimc_is_start_firmware(is);
283 v4l2_err(sd, "firmware booting failed\n");
284 pm_runtime_put(&is->pdev->dev);
287 set_bit(IS_ST_PWR_SUBIP_ON, &is->state);
289 ret = fimc_is_hw_initialize(is);
292 if (!test_bit(IS_ST_PWR_ON, &is->state)) {
293 fimc_is_hw_close_sensor(is, 0);
295 ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,
296 FIMC_IS_CONFIG_TIMEOUT);
298 v4l2_err(sd, "sensor close timeout\n");
303 /* SUB IP power off */
304 if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {
305 fimc_is_hw_subip_power_off(is);
306 ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,
307 FIMC_IS_CONFIG_TIMEOUT);
309 v4l2_err(sd, "sub-IP power off timeout\n");
314 fimc_is_cpu_set_power(is, 0);
315 pm_runtime_put_sync(&is->pdev->dev);
317 clear_bit(IS_ST_PWR_ON, &is->state);
318 clear_bit(IS_ST_INIT_DONE, &is->state);
320 is->config[is->config_index].p_region_index1 = 0;
321 is->config[is->config_index].p_region_index2 = 0;
322 set_bit(IS_ST_IDLE, &is->state);
329 static int fimc_isp_subdev_open(struct v4l2_subdev *sd,
330 struct v4l2_subdev_fh *fh)
332 struct v4l2_mbus_framefmt fmt;
333 struct v4l2_mbus_framefmt *format;
335 format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SINK);
337 fmt.colorspace = V4L2_COLORSPACE_SRGB;
338 fmt.code = fimc_isp_formats[0].mbus_code;
339 fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH;
340 fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT;
341 fmt.field = V4L2_FIELD_NONE;
344 format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SRC_FIFO);
345 fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
346 fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
349 format = v4l2_subdev_get_try_format(fh, FIMC_ISP_SD_PAD_SRC_DMA);
355 static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = {
356 .open = fimc_isp_subdev_open,
359 static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = {
360 .enum_mbus_code = fimc_is_subdev_enum_mbus_code,
361 .get_fmt = fimc_isp_subdev_get_fmt,
362 .set_fmt = fimc_isp_subdev_set_fmt,
365 static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = {
366 .s_stream = fimc_isp_subdev_s_stream,
369 static const struct v4l2_subdev_core_ops fimc_is_core_ops = {
370 .s_power = fimc_isp_subdev_s_power,
373 static struct v4l2_subdev_ops fimc_is_subdev_ops = {
374 .core = &fimc_is_core_ops,
375 .video = &fimc_is_subdev_video_ops,
376 .pad = &fimc_is_subdev_pad_ops,
379 static int __ctrl_set_white_balance(struct fimc_is *is, int value)
382 case V4L2_WHITE_BALANCE_AUTO:
383 __is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0);
385 case V4L2_WHITE_BALANCE_DAYLIGHT:
386 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
387 ISP_AWB_ILLUMINATION_DAYLIGHT);
389 case V4L2_WHITE_BALANCE_CLOUDY:
390 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
391 ISP_AWB_ILLUMINATION_CLOUDY);
393 case V4L2_WHITE_BALANCE_INCANDESCENT:
394 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
395 ISP_AWB_ILLUMINATION_TUNGSTEN);
397 case V4L2_WHITE_BALANCE_FLUORESCENT:
398 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
399 ISP_AWB_ILLUMINATION_FLUORESCENT);
408 static int __ctrl_set_aewb_lock(struct fimc_is *is,
409 struct v4l2_ctrl *ctrl)
411 bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
412 bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
413 struct isp_param *isp = &is->is_p_region->parameter.isp;
416 cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
418 isp->aa.target = ISP_AA_TARGET_AE;
419 fimc_is_set_param_bit(is, PARAM_ISP_AA);
420 is->af.ae_lock_state = ae_lock;
423 ret = fimc_is_itf_s_param(is, false);
427 cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
429 isp->aa.target = ISP_AA_TARGET_AE;
430 fimc_is_set_param_bit(is, PARAM_ISP_AA);
431 is->af.awb_lock_state = awb_lock;
434 return fimc_is_itf_s_param(is, false);
437 /* Supported manual ISO values */
438 static const s64 iso_qmenu[] = {
439 50, 100, 200, 400, 800,
442 static int __ctrl_set_iso(struct fimc_is *is, int value)
444 unsigned int idx, iso;
446 if (value == V4L2_ISO_SENSITIVITY_AUTO) {
447 __is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0);
450 idx = is->isp.ctrls.iso->val;
451 if (idx >= ARRAY_SIZE(iso_qmenu))
454 iso = iso_qmenu[idx];
455 __is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso);
459 static int __ctrl_set_metering(struct fimc_is *is, unsigned int value)
464 case V4L2_EXPOSURE_METERING_AVERAGE:
465 val = ISP_METERING_COMMAND_AVERAGE;
467 case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
468 val = ISP_METERING_COMMAND_CENTER;
470 case V4L2_EXPOSURE_METERING_SPOT:
471 val = ISP_METERING_COMMAND_SPOT;
473 case V4L2_EXPOSURE_METERING_MATRIX:
474 val = ISP_METERING_COMMAND_MATRIX;
480 __is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val);
484 static int __ctrl_set_afc(struct fimc_is *is, int value)
487 case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
488 __is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0);
490 case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
491 __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50);
493 case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
494 __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60);
496 case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
497 __is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0);
506 static int __ctrl_set_image_effect(struct fimc_is *is, int value)
508 static const u8 effects[][2] = {
509 { V4L2_COLORFX_NONE, ISP_IMAGE_EFFECT_DISABLE },
510 { V4L2_COLORFX_BW, ISP_IMAGE_EFFECT_MONOCHROME },
511 { V4L2_COLORFX_SEPIA, ISP_IMAGE_EFFECT_SEPIA },
512 { V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO },
513 { 16 /* TODO */, ISP_IMAGE_EFFECT_NEGATIVE_COLOR },
517 for (i = 0; i < ARRAY_SIZE(effects); i++) {
518 if (effects[i][0] != value)
521 __is_set_isp_effect(is, effects[i][1]);
528 static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl)
530 struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl);
531 struct fimc_is *is = fimc_isp_to_is(isp);
532 bool set_param = true;
536 case V4L2_CID_CONTRAST:
537 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST,
541 case V4L2_CID_SATURATION:
542 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION,
546 case V4L2_CID_SHARPNESS:
547 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS,
551 case V4L2_CID_EXPOSURE_ABSOLUTE:
552 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE,
556 case V4L2_CID_BRIGHTNESS:
557 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS,
562 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE,
566 case V4L2_CID_EXPOSURE_METERING:
567 ret = __ctrl_set_metering(is, ctrl->val);
570 case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
571 ret = __ctrl_set_white_balance(is, ctrl->val);
574 case V4L2_CID_3A_LOCK:
575 ret = __ctrl_set_aewb_lock(is, ctrl);
579 case V4L2_CID_ISO_SENSITIVITY_AUTO:
580 ret = __ctrl_set_iso(is, ctrl->val);
583 case V4L2_CID_POWER_LINE_FREQUENCY:
584 ret = __ctrl_set_afc(is, ctrl->val);
587 case V4L2_CID_COLORFX:
588 __ctrl_set_image_effect(is, ctrl->val);
597 v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n",
598 ctrl->name, ctrl->val);
602 if (set_param && test_bit(IS_ST_STREAM_ON, &is->state))
603 return fimc_is_itf_s_param(is, true);
608 static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = {
609 .s_ctrl = fimc_is_s_ctrl,
612 int fimc_isp_subdev_create(struct fimc_isp *isp)
614 const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops;
615 struct v4l2_ctrl_handler *handler = &isp->ctrls.handler;
616 struct v4l2_subdev *sd = &isp->subdev;
617 struct fimc_isp_ctrls *ctrls = &isp->ctrls;
620 mutex_init(&isp->subdev_lock);
622 v4l2_subdev_init(sd, &fimc_is_subdev_ops);
623 sd->grp_id = GRP_ID_FIMC_IS;
624 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
625 snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP");
627 isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
628 isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE;
629 isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE;
630 ret = media_entity_init(&sd->entity, FIMC_ISP_SD_PADS_NUM,
631 isp->subdev_pads, 0);
635 v4l2_ctrl_handler_init(handler, 20);
637 ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION,
639 ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS,
641 ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST,
643 ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS,
645 ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE,
648 ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops,
649 V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
650 8, ~0x14e, V4L2_WHITE_BALANCE_AUTO);
652 ctrls->exposure = v4l2_ctrl_new_std(handler, ops,
653 V4L2_CID_EXPOSURE_ABSOLUTE,
656 ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops,
657 V4L2_CID_EXPOSURE_METERING, 3,
658 ~0xf, V4L2_EXPOSURE_METERING_AVERAGE);
660 v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY,
661 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
662 V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
663 /* ISO sensitivity */
664 ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops,
665 V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
666 V4L2_ISO_SENSITIVITY_AUTO);
668 ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops,
669 V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
670 ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
672 ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops,
673 V4L2_CID_3A_LOCK, 0, 0x3, 0, 0);
675 /* TODO: Add support for NEGATIVE_COLOR option */
676 ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX,
677 V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE);
679 if (handler->error) {
680 media_entity_cleanup(&sd->entity);
681 return handler->error;
684 v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso,
685 V4L2_ISO_SENSITIVITY_MANUAL, false);
687 sd->ctrl_handler = handler;
688 sd->internal_ops = &fimc_is_subdev_internal_ops;
689 sd->entity.ops = &fimc_is_subdev_media_ops;
690 v4l2_set_subdevdata(sd, isp);
695 void fimc_isp_subdev_destroy(struct fimc_isp *isp)
697 struct v4l2_subdev *sd = &isp->subdev;
699 v4l2_device_unregister_subdev(sd);
700 media_entity_cleanup(&sd->entity);
701 v4l2_ctrl_handler_free(&isp->ctrls.handler);
702 v4l2_set_subdevdata(sd, NULL);