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Merge branch 'for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mason...
[deliverable/linux.git] / drivers / media / platform / exynos4-is / fimc-isp.c
CommitLineData
9a761e43
SN		 1/*
2 * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
3 *
4 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
5 *
6 * Authors: Sylwester Nawrocki <s.nawrocki@samsung.com>
7 * Younghwan Joo <yhwan.joo@samsung.com>
8 *
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.
12 */
13#define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__
14
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>
26
27#include "media-dev.h"
34947b8a 28#include "fimc-isp-video.h"
9a761e43
SN		 29#include "fimc-is-command.h"
30#include "fimc-is-param.h"
31#include "fimc-is-regs.h"
32#include "fimc-is.h"
33
4434adff
SN		 34int fimc_isp_debug;
35module_param_named(debug_isp, fimc_isp_debug, int, S_IRUGO | S_IWUSR);
9a761e43
SN		 36
37static const struct fimc_fmt fimc_isp_formats[FIMC_ISP_NUM_FORMATS] = {
38 {
39 .name = "RAW8 (GRBG)",
40 .fourcc = V4L2_PIX_FMT_SGRBG8,
41 .depth = { 8 },
42 .color = FIMC_FMT_RAW8,
43 .memplanes = 1,
27ffaeb0 44 .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8,
9a761e43
SN		 45 }, {
46 .name = "RAW10 (GRBG)",
47 .fourcc = V4L2_PIX_FMT_SGRBG10,
48 .depth = { 10 },
49 .color = FIMC_FMT_RAW10,
50 .memplanes = 1,
27ffaeb0 51 .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10,
9a761e43
SN		 52 }, {
53 .name = "RAW12 (GRBG)",
54 .fourcc = V4L2_PIX_FMT_SGRBG12,
55 .depth = { 12 },
56 .color = FIMC_FMT_RAW12,
57 .memplanes = 1,
27ffaeb0 58 .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12,
9a761e43
SN		 59 },
60};
61
62/**
63 * fimc_isp_find_format - lookup color format by fourcc or media bus code
64 * @pixelformat: fourcc to match, ignored if null
65 * @mbus_code: media bus code to match, ignored if null
66 * @index: index to the fimc_isp_formats array, ignored if negative
67 */
68const struct fimc_fmt *fimc_isp_find_format(const u32 *pixelformat,
69 const u32 *mbus_code, int index)
70{
71 const struct fimc_fmt *fmt, *def_fmt = NULL;
72 unsigned int i;
73 int id = 0;
74
75 if (index >= (int)ARRAY_SIZE(fimc_isp_formats))
76 return NULL;
77
78 for (i = 0; i < ARRAY_SIZE(fimc_isp_formats); ++i) {
79 fmt = &fimc_isp_formats[i];
80 if (pixelformat && fmt->fourcc == *pixelformat)
81 return fmt;
82 if (mbus_code && fmt->mbus_code == *mbus_code)
83 return fmt;
84 if (index == id)
85 def_fmt = fmt;
86 id++;
87 }
88 return def_fmt;
89}
90
91void fimc_isp_irq_handler(struct fimc_is *is)
92{
93 is->i2h_cmd.args[0] = mcuctl_read(is, MCUCTL_REG_ISSR(20));
94 is->i2h_cmd.args[1] = mcuctl_read(is, MCUCTL_REG_ISSR(21));
95
96 fimc_is_fw_clear_irq1(is, FIMC_IS_INT_FRAME_DONE_ISP);
34947b8a 97 fimc_isp_video_irq_handler(is);
9a761e43 98
9a761e43
SN		 99 wake_up(&is->irq_queue);
100}
101
102/* Capture subdev media entity operations */
103static int fimc_is_link_setup(struct media_entity *entity,
104 const struct media_pad *local,
105 const struct media_pad *remote, u32 flags)
106{
107 return 0;
108}
109
110static const struct media_entity_operations fimc_is_subdev_media_ops = {
111 .link_setup = fimc_is_link_setup,
112};
113
114static int fimc_is_subdev_enum_mbus_code(struct v4l2_subdev *sd,
f7234138 115 struct v4l2_subdev_pad_config *cfg,
9a761e43
SN		 116 struct v4l2_subdev_mbus_code_enum *code)
117{
118 const struct fimc_fmt *fmt;
119
120 fmt = fimc_isp_find_format(NULL, NULL, code->index);
121 if (!fmt)
122 return -EINVAL;
123 code->code = fmt->mbus_code;
124 return 0;
125}
126
127static int fimc_isp_subdev_get_fmt(struct v4l2_subdev *sd,
f7234138 128 struct v4l2_subdev_pad_config *cfg,
9a761e43
SN		 129 struct v4l2_subdev_format *fmt)
130{
131 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
9a761e43 132 struct v4l2_mbus_framefmt *mf = &fmt->format;
9a761e43
SN		 133
134 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
f7234138 135 *mf = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
9a761e43
SN		 136 return 0;
137 }
138
ac2a4a86 139 mf->colorspace = V4L2_COLORSPACE_SRGB;
9a761e43
SN		 140
141 mutex_lock(&isp->subdev_lock);
9a761e43
SN		 142
143 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
5cfaad64
SN		 144 /* ISP OTF input image format */
145 *mf = isp->sink_fmt;
9a761e43 146 } else {
5cfaad64
SN		 147 /* ISP OTF output image format */
148 *mf = isp->src_fmt;
149
150 if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
151 mf->colorspace = V4L2_COLORSPACE_JPEG;
27ffaeb0 152 mf->code = MEDIA_BUS_FMT_YUV10_1X30;
5cfaad64 153 }
9a761e43
SN		 154 }
155
156 mutex_unlock(&isp->subdev_lock);
157
4434adff
SN		 158 isp_dbg(1, sd, "%s: pad%d: fmt: 0x%x, %dx%d\n", __func__,
159 fmt->pad, mf->code, mf->width, mf->height);
9a761e43
SN		 160
161 return 0;
162}
163
164static void __isp_subdev_try_format(struct fimc_isp *isp,
f7234138 165 struct v4l2_subdev_pad_config *cfg,
5cfaad64 166 struct v4l2_subdev_format *fmt)
9a761e43
SN		 167{
168 struct v4l2_mbus_framefmt *mf = &fmt->format;
5cfaad64
SN		 169 struct v4l2_mbus_framefmt *format;
170
171 mf->colorspace = V4L2_COLORSPACE_SRGB;
9a761e43
SN		 172
173 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
174 v4l_bound_align_image(&mf->width, FIMC_ISP_SINK_WIDTH_MIN,
175 FIMC_ISP_SINK_WIDTH_MAX, 0,
176 &mf->height, FIMC_ISP_SINK_HEIGHT_MIN,
177 FIMC_ISP_SINK_HEIGHT_MAX, 0, 0);
27ffaeb0 178 mf->code = MEDIA_BUS_FMT_SGRBG10_1X10;
9a761e43 179 } else {
5cfaad64 180 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
f7234138 181 format = v4l2_subdev_get_try_format(&isp->subdev, cfg,
5cfaad64
SN		 182 FIMC_ISP_SD_PAD_SINK);
183 else
184 format = &isp->sink_fmt;
185
9a761e43 186 /* Allow changing format only on sink pad */
5cfaad64
SN		 187 mf->width = format->width - FIMC_ISP_CAC_MARGIN_WIDTH;
188 mf->height = format->height - FIMC_ISP_CAC_MARGIN_HEIGHT;
189
190 if (fmt->pad == FIMC_ISP_SD_PAD_SRC_FIFO) {
27ffaeb0 191 mf->code = MEDIA_BUS_FMT_YUV10_1X30;
5cfaad64
SN		 192 mf->colorspace = V4L2_COLORSPACE_JPEG;
193 } else {
194 mf->code = format->code;
195 }
9a761e43
SN		 196 }
197}
198
199static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
f7234138 200 struct v4l2_subdev_pad_config *cfg,
9a761e43
SN		 201 struct v4l2_subdev_format *fmt)
202{
203 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
204 struct fimc_is *is = fimc_isp_to_is(isp);
205 struct v4l2_mbus_framefmt *mf = &fmt->format;
206 int ret = 0;
207
4434adff 208 isp_dbg(1, sd, "%s: pad%d: code: 0x%x, %dx%d\n",
9a761e43
SN		 209 __func__, fmt->pad, mf->code, mf->width, mf->height);
210
9a761e43 211 mutex_lock(&isp->subdev_lock);
f7234138 212 __isp_subdev_try_format(isp, cfg, fmt);
9a761e43
SN		 213
214 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
f7234138 215 mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
9a761e43 216 *mf = fmt->format;
5cfaad64
SN		 217
218 /* Propagate format to the source pads */
219 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
220 struct v4l2_subdev_format format = *fmt;
221 unsigned int pad;
222
223 for (pad = FIMC_ISP_SD_PAD_SRC_FIFO;
224 pad < FIMC_ISP_SD_PADS_NUM; pad++) {
225 format.pad = pad;
f7234138
HV		 226 __isp_subdev_try_format(isp, cfg, &format);
227 mf = v4l2_subdev_get_try_format(sd, cfg, pad);
5cfaad64
SN		 228 *mf = format.format;
229 }
230 }
231 } else {
232 if (sd->entity.stream_count == 0) {
233 if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
234 struct v4l2_subdev_format format = *fmt;
235
236 isp->sink_fmt = *mf;
237
238 format.pad = FIMC_ISP_SD_PAD_SRC_DMA;
f7234138 239 __isp_subdev_try_format(isp, cfg, &format);
5cfaad64
SN		 240
241 isp->src_fmt = format.format;
242 __is_set_frame_size(is, &isp->src_fmt);
243 } else {
244 isp->src_fmt = *mf;
245 }
246 } else {
247 ret = -EBUSY;
248 }
9a761e43
SN		 249 }
250
9a761e43 251 mutex_unlock(&isp->subdev_lock);
9a761e43
SN		 252 return ret;
253}
254
255static int fimc_isp_subdev_s_stream(struct v4l2_subdev *sd, int on)
256{
257 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
258 struct fimc_is *is = fimc_isp_to_is(isp);
259 int ret;
260
4434adff 261 isp_dbg(1, sd, "%s: on: %d\n", __func__, on);
9a761e43
SN		 262
263 if (!test_bit(IS_ST_INIT_DONE, &is->state))
264 return -EBUSY;
265
266 fimc_is_mem_barrier();
267
268 if (on) {
a6f5635e 269 if (__get_pending_param_count(is)) {
9a761e43 270 ret = fimc_is_itf_s_param(is, true);
a6f5635e
SN		 271 if (ret < 0)
272 return ret;
273 }
9a761e43 274
4434adff
SN		 275 isp_dbg(1, sd, "changing mode to %d\n", is->config_index);
276
9a761e43
SN		 277 ret = fimc_is_itf_mode_change(is);
278 if (ret)
279 return -EINVAL;
280
281 clear_bit(IS_ST_STREAM_ON, &is->state);
282 fimc_is_hw_stream_on(is);
283 ret = fimc_is_wait_event(is, IS_ST_STREAM_ON, 1,
284 FIMC_IS_CONFIG_TIMEOUT);
285 if (ret < 0) {
286 v4l2_err(sd, "stream on timeout\n");
287 return ret;
288 }
289 } else {
290 clear_bit(IS_ST_STREAM_OFF, &is->state);
291 fimc_is_hw_stream_off(is);
292 ret = fimc_is_wait_event(is, IS_ST_STREAM_OFF, 1,
293 FIMC_IS_CONFIG_TIMEOUT);
294 if (ret < 0) {
295 v4l2_err(sd, "stream off timeout\n");
296 return ret;
297 }
298 is->setfile.sub_index = 0;
299 }
300
301 return 0;
302}
303
304static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on)
305{
306 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
307 struct fimc_is *is = fimc_isp_to_is(isp);
308 int ret = 0;
309
310 pr_debug("on: %d\n", on);
311
312 if (on) {
313 ret = pm_runtime_get_sync(&is->pdev->dev);
314 if (ret < 0)
315 return ret;
316 set_bit(IS_ST_PWR_ON, &is->state);
317
318 ret = fimc_is_start_firmware(is);
319 if (ret < 0) {
320 v4l2_err(sd, "firmware booting failed\n");
321 pm_runtime_put(&is->pdev->dev);
322 return ret;
323 }
324 set_bit(IS_ST_PWR_SUBIP_ON, &is->state);
325
326 ret = fimc_is_hw_initialize(is);
327 } else {
328 /* Close sensor */
329 if (!test_bit(IS_ST_PWR_ON, &is->state)) {
330 fimc_is_hw_close_sensor(is, 0);
331
332 ret = fimc_is_wait_event(is, IS_ST_OPEN_SENSOR, 0,
333 FIMC_IS_CONFIG_TIMEOUT);
334 if (ret < 0) {
335 v4l2_err(sd, "sensor close timeout\n");
336 return ret;
337 }
338 }
339
340 /* SUB IP power off */
341 if (test_bit(IS_ST_PWR_SUBIP_ON, &is->state)) {
342 fimc_is_hw_subip_power_off(is);
343 ret = fimc_is_wait_event(is, IS_ST_PWR_SUBIP_ON, 0,
344 FIMC_IS_CONFIG_TIMEOUT);
345 if (ret < 0) {
346 v4l2_err(sd, "sub-IP power off timeout\n");
347 return ret;
348 }
349 }
350
351 fimc_is_cpu_set_power(is, 0);
352 pm_runtime_put_sync(&is->pdev->dev);
353
354 clear_bit(IS_ST_PWR_ON, &is->state);
355 clear_bit(IS_ST_INIT_DONE, &is->state);
356 is->state = 0;
0e761b21
PC		 357 is->config[is->config_index].p_region_index[0] = 0;
358 is->config[is->config_index].p_region_index[1] = 0;
9a761e43
SN		 359 set_bit(IS_ST_IDLE, &is->state);
360 wmb();
361 }
362
363 return ret;
364}
365
366static int fimc_isp_subdev_open(struct v4l2_subdev *sd,
367 struct v4l2_subdev_fh *fh)
368{
369 struct v4l2_mbus_framefmt fmt;
370 struct v4l2_mbus_framefmt *format;
371
f7234138 372 format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SINK);
9a761e43
SN		 373
374 fmt.colorspace = V4L2_COLORSPACE_SRGB;
375 fmt.code = fimc_isp_formats[0].mbus_code;
376 fmt.width = DEFAULT_PREVIEW_STILL_WIDTH + FIMC_ISP_CAC_MARGIN_WIDTH;
377 fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT + FIMC_ISP_CAC_MARGIN_HEIGHT;
378 fmt.field = V4L2_FIELD_NONE;
379 *format = fmt;
380
f7234138 381 format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_FIFO);
9a761e43
SN		 382 fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
383 fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
384 *format = fmt;
385
f7234138 386 format = v4l2_subdev_get_try_format(sd, fh->pad, FIMC_ISP_SD_PAD_SRC_DMA);
9a761e43
SN		 387 *format = fmt;
388
389 return 0;
390}
391
34947b8a
SN		 392static int fimc_isp_subdev_registered(struct v4l2_subdev *sd)
393{
394 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
395 int ret;
396
397 /* Use pipeline object allocated by the media device. */
398 isp->video_capture.ve.pipe = v4l2_get_subdev_hostdata(sd);
399
400 ret = fimc_isp_video_device_register(isp, sd->v4l2_dev,
401 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
402 if (ret < 0)
403 isp->video_capture.ve.pipe = NULL;
404
405 return ret;
406}
407
408static void fimc_isp_subdev_unregistered(struct v4l2_subdev *sd)
409{
410 struct fimc_isp *isp = v4l2_get_subdevdata(sd);
411
412 fimc_isp_video_device_unregister(isp,
413 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
414}
415
9a761e43 416static const struct v4l2_subdev_internal_ops fimc_is_subdev_internal_ops = {
34947b8a
SN		 417 .registered = fimc_isp_subdev_registered,
418 .unregistered = fimc_isp_subdev_unregistered,
9a761e43
SN		 419 .open = fimc_isp_subdev_open,
420};
421
422static const struct v4l2_subdev_pad_ops fimc_is_subdev_pad_ops = {
423 .enum_mbus_code = fimc_is_subdev_enum_mbus_code,
424 .get_fmt = fimc_isp_subdev_get_fmt,
425 .set_fmt = fimc_isp_subdev_set_fmt,
426};
427
428static const struct v4l2_subdev_video_ops fimc_is_subdev_video_ops = {
429 .s_stream = fimc_isp_subdev_s_stream,
430};
431
432static const struct v4l2_subdev_core_ops fimc_is_core_ops = {
433 .s_power = fimc_isp_subdev_s_power,
434};
435
436static struct v4l2_subdev_ops fimc_is_subdev_ops = {
437 .core = &fimc_is_core_ops,
438 .video = &fimc_is_subdev_video_ops,
439 .pad = &fimc_is_subdev_pad_ops,
440};
441
442static int __ctrl_set_white_balance(struct fimc_is *is, int value)
443{
444 switch (value) {
445 case V4L2_WHITE_BALANCE_AUTO:
446 __is_set_isp_awb(is, ISP_AWB_COMMAND_AUTO, 0);
447 break;
448 case V4L2_WHITE_BALANCE_DAYLIGHT:
449 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
450 ISP_AWB_ILLUMINATION_DAYLIGHT);
451 break;
452 case V4L2_WHITE_BALANCE_CLOUDY:
453 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
454 ISP_AWB_ILLUMINATION_CLOUDY);
455 break;
456 case V4L2_WHITE_BALANCE_INCANDESCENT:
457 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
458 ISP_AWB_ILLUMINATION_TUNGSTEN);
459 break;
460 case V4L2_WHITE_BALANCE_FLUORESCENT:
461 __is_set_isp_awb(is, ISP_AWB_COMMAND_ILLUMINATION,
462 ISP_AWB_ILLUMINATION_FLUORESCENT);
463 break;
464 default:
465 return -EINVAL;
466 }
467
468 return 0;
469}
470
471static int __ctrl_set_aewb_lock(struct fimc_is *is,
472 struct v4l2_ctrl *ctrl)
473{
474 bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
475 bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
476 struct isp_param *isp = &is->is_p_region->parameter.isp;
477 int cmd, ret;
478
479 cmd = ae_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
480 isp->aa.cmd = cmd;
481 isp->aa.target = ISP_AA_TARGET_AE;
482 fimc_is_set_param_bit(is, PARAM_ISP_AA);
9a761e43
SN		 483 is->af.ae_lock_state = ae_lock;
484 wmb();
485
486 ret = fimc_is_itf_s_param(is, false);
487 if (ret < 0)
488 return ret;
489
490 cmd = awb_lock ? ISP_AA_COMMAND_STOP : ISP_AA_COMMAND_START;
491 isp->aa.cmd = cmd;
492 isp->aa.target = ISP_AA_TARGET_AE;
493 fimc_is_set_param_bit(is, PARAM_ISP_AA);
9a761e43
SN		 494 is->af.awb_lock_state = awb_lock;
495 wmb();
496
497 return fimc_is_itf_s_param(is, false);
498}
499
500/* Supported manual ISO values */
501static const s64 iso_qmenu[] = {
502 50, 100, 200, 400, 800,
503};
504
505static int __ctrl_set_iso(struct fimc_is *is, int value)
506{
507 unsigned int idx, iso;
508
509 if (value == V4L2_ISO_SENSITIVITY_AUTO) {
510 __is_set_isp_iso(is, ISP_ISO_COMMAND_AUTO, 0);
511 return 0;
512 }
513 idx = is->isp.ctrls.iso->val;
514 if (idx >= ARRAY_SIZE(iso_qmenu))
515 return -EINVAL;
516
517 iso = iso_qmenu[idx];
518 __is_set_isp_iso(is, ISP_ISO_COMMAND_MANUAL, iso);
519 return 0;
520}
521
522static int __ctrl_set_metering(struct fimc_is *is, unsigned int value)
523{
524 unsigned int val;
525
526 switch (value) {
527 case V4L2_EXPOSURE_METERING_AVERAGE:
528 val = ISP_METERING_COMMAND_AVERAGE;
529 break;
530 case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
531 val = ISP_METERING_COMMAND_CENTER;
532 break;
533 case V4L2_EXPOSURE_METERING_SPOT:
534 val = ISP_METERING_COMMAND_SPOT;
535 break;
536 case V4L2_EXPOSURE_METERING_MATRIX:
537 val = ISP_METERING_COMMAND_MATRIX;
538 break;
539 default:
540 return -EINVAL;
2028c71d 541 }
9a761e43
SN		 542
543 __is_set_isp_metering(is, IS_METERING_CONFIG_CMD, val);
544 return 0;
545}
546
547static int __ctrl_set_afc(struct fimc_is *is, int value)
548{
549 switch (value) {
550 case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
551 __is_set_isp_afc(is, ISP_AFC_COMMAND_DISABLE, 0);
552 break;
553 case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
554 __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 50);
555 break;
556 case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
557 __is_set_isp_afc(is, ISP_AFC_COMMAND_MANUAL, 60);
558 break;
559 case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
560 __is_set_isp_afc(is, ISP_AFC_COMMAND_AUTO, 0);
561 break;
562 default:
563 return -EINVAL;
564 }
565
566 return 0;
567}
568
569static int __ctrl_set_image_effect(struct fimc_is *is, int value)
570{
571 static const u8 effects[][2] = {
572 { V4L2_COLORFX_NONE, ISP_IMAGE_EFFECT_DISABLE },
573 { V4L2_COLORFX_BW, ISP_IMAGE_EFFECT_MONOCHROME },
574 { V4L2_COLORFX_SEPIA, ISP_IMAGE_EFFECT_SEPIA },
575 { V4L2_COLORFX_NEGATIVE, ISP_IMAGE_EFFECT_NEGATIVE_MONO },
576 { 16 /* TODO */, ISP_IMAGE_EFFECT_NEGATIVE_COLOR },
577 };
578 int i;
579
580 for (i = 0; i < ARRAY_SIZE(effects); i++) {
581 if (effects[i][0] != value)
582 continue;
583
584 __is_set_isp_effect(is, effects[i][1]);
585 return 0;
586 }
587
588 return -EINVAL;
589}
590
591static int fimc_is_s_ctrl(struct v4l2_ctrl *ctrl)
592{
593 struct fimc_isp *isp = ctrl_to_fimc_isp(ctrl);
594 struct fimc_is *is = fimc_isp_to_is(isp);
595 bool set_param = true;
596 int ret = 0;
597
598 switch (ctrl->id) {
599 case V4L2_CID_CONTRAST:
600 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_CONTRAST,
601 ctrl->val);
602 break;
603
604 case V4L2_CID_SATURATION:
605 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SATURATION,
606 ctrl->val);
607 break;
608
609 case V4L2_CID_SHARPNESS:
610 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_SHARPNESS,
611 ctrl->val);
612 break;
613
614 case V4L2_CID_EXPOSURE_ABSOLUTE:
615 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_EXPOSURE,
616 ctrl->val);
617 break;
618
619 case V4L2_CID_BRIGHTNESS:
620 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS,
621 ctrl->val);
622 break;
623
624 case V4L2_CID_HUE:
625 __is_set_isp_adjust(is, ISP_ADJUST_COMMAND_MANUAL_HUE,
626 ctrl->val);
627 break;
628
629 case V4L2_CID_EXPOSURE_METERING:
630 ret = __ctrl_set_metering(is, ctrl->val);
631 break;
632
633 case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
634 ret = __ctrl_set_white_balance(is, ctrl->val);
635 break;
636
637 case V4L2_CID_3A_LOCK:
638 ret = __ctrl_set_aewb_lock(is, ctrl);
639 set_param = false;
640 break;
641
642 case V4L2_CID_ISO_SENSITIVITY_AUTO:
643 ret = __ctrl_set_iso(is, ctrl->val);
644 break;
645
646 case V4L2_CID_POWER_LINE_FREQUENCY:
647 ret = __ctrl_set_afc(is, ctrl->val);
648 break;
649
650 case V4L2_CID_COLORFX:
651 __ctrl_set_image_effect(is, ctrl->val);
652 break;
653
654 default:
655 ret = -EINVAL;
656 break;
657 }
658
659 if (ret < 0) {
660 v4l2_err(&isp->subdev, "Failed to set control: %s (%d)\n",
661 ctrl->name, ctrl->val);
662 return ret;
663 }
664
665 if (set_param && test_bit(IS_ST_STREAM_ON, &is->state))
666 return fimc_is_itf_s_param(is, true);
667
668 return 0;
669}
670
671static const struct v4l2_ctrl_ops fimc_isp_ctrl_ops = {
672 .s_ctrl = fimc_is_s_ctrl,
673};
674
94945730
SN		 675static void __isp_subdev_set_default_format(struct fimc_isp *isp)
676{
677 struct fimc_is *is = fimc_isp_to_is(isp);
678
679 isp->sink_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH +
680 FIMC_ISP_CAC_MARGIN_WIDTH;
681 isp->sink_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT +
682 FIMC_ISP_CAC_MARGIN_HEIGHT;
27ffaeb0 683 isp->sink_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10;
94945730
SN		 684
685 isp->src_fmt.width = DEFAULT_PREVIEW_STILL_WIDTH;
686 isp->src_fmt.height = DEFAULT_PREVIEW_STILL_HEIGHT;
27ffaeb0 687 isp->src_fmt.code = MEDIA_BUS_FMT_SGRBG10_1X10;
94945730
SN		 688 __is_set_frame_size(is, &isp->src_fmt);
689}
690
9a761e43
SN		 691int fimc_isp_subdev_create(struct fimc_isp *isp)
692{
693 const struct v4l2_ctrl_ops *ops = &fimc_isp_ctrl_ops;
694 struct v4l2_ctrl_handler *handler = &isp->ctrls.handler;
695 struct v4l2_subdev *sd = &isp->subdev;
696 struct fimc_isp_ctrls *ctrls = &isp->ctrls;
697 int ret;
698
699 mutex_init(&isp->subdev_lock);
700
701 v4l2_subdev_init(sd, &fimc_is_subdev_ops);
c1cd2b96
SN		 702
703 sd->owner = THIS_MODULE;
9a761e43 704 sd->grp_id = GRP_ID_FIMC_IS;
5a66561f 705 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
9a761e43
SN		 706 snprintf(sd->name, sizeof(sd->name), "FIMC-IS-ISP");
707
708 isp->subdev_pads[FIMC_ISP_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
709 isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_FIFO].flags = MEDIA_PAD_FL_SOURCE;
710 isp->subdev_pads[FIMC_ISP_SD_PAD_SRC_DMA].flags = MEDIA_PAD_FL_SOURCE;
ab22e77c 711 ret = media_entity_pads_init(&sd->entity, FIMC_ISP_SD_PADS_NUM,
18095107 712 isp->subdev_pads);
9a761e43
SN		 713 if (ret)
714 return ret;
715
716 v4l2_ctrl_handler_init(handler, 20);
717
718 ctrls->saturation = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SATURATION,
719 -2, 2, 1, 0);
720 ctrls->brightness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_BRIGHTNESS,
721 -4, 4, 1, 0);
722 ctrls->contrast = v4l2_ctrl_new_std(handler, ops, V4L2_CID_CONTRAST,
723 -2, 2, 1, 0);
724 ctrls->sharpness = v4l2_ctrl_new_std(handler, ops, V4L2_CID_SHARPNESS,
725 -2, 2, 1, 0);
726 ctrls->hue = v4l2_ctrl_new_std(handler, ops, V4L2_CID_HUE,
727 -2, 2, 1, 0);
728
729 ctrls->auto_wb = v4l2_ctrl_new_std_menu(handler, ops,
730 V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
731 8, ~0x14e, V4L2_WHITE_BALANCE_AUTO);
732
733 ctrls->exposure = v4l2_ctrl_new_std(handler, ops,
734 V4L2_CID_EXPOSURE_ABSOLUTE,
735 -4, 4, 1, 0);
736
737 ctrls->exp_metering = v4l2_ctrl_new_std_menu(handler, ops,
738 V4L2_CID_EXPOSURE_METERING, 3,
739 ~0xf, V4L2_EXPOSURE_METERING_AVERAGE);
740
741 v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_POWER_LINE_FREQUENCY,
742 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
743 V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
744 /* ISO sensitivity */
745 ctrls->auto_iso = v4l2_ctrl_new_std_menu(handler, ops,
746 V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
747 V4L2_ISO_SENSITIVITY_AUTO);
748
749 ctrls->iso = v4l2_ctrl_new_int_menu(handler, ops,
750 V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
751 ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
752
753 ctrls->aewb_lock = v4l2_ctrl_new_std(handler, ops,
754 V4L2_CID_3A_LOCK, 0, 0x3, 0, 0);
755
756 /* TODO: Add support for NEGATIVE_COLOR option */
757 ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_COLORFX,
758 V4L2_COLORFX_SET_CBCR + 1, ~0x1000f, V4L2_COLORFX_NONE);
759
760 if (handler->error) {
761 media_entity_cleanup(&sd->entity);
762 return handler->error;
763 }
764
765 v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso,
766 V4L2_ISO_SENSITIVITY_MANUAL, false);
767
768 sd->ctrl_handler = handler;
769 sd->internal_ops = &fimc_is_subdev_internal_ops;
770 sd->entity.ops = &fimc_is_subdev_media_ops;
771 v4l2_set_subdevdata(sd, isp);
772
94945730
SN		 773 __isp_subdev_set_default_format(isp);
774
9a761e43
SN		 775 return 0;
776}
777
778void fimc_isp_subdev_destroy(struct fimc_isp *isp)
779{
780 struct v4l2_subdev *sd = &isp->subdev;
781
782 v4l2_device_unregister_subdev(sd);
783 media_entity_cleanup(&sd->entity);
784 v4l2_ctrl_handler_free(&isp->ctrls.handler);
785 v4l2_set_subdevdata(sd, NULL);
786}
Linux kernel - Deliverables
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